[INIT] module init

.editorconfig

+# Configuration for known file extensions
+[*.{css,js,json,less,md,py,rst,sass,scss,xml,yaml,yml}]
+charset = utf-8
+end_of_line = lf
+indent_size = 4
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.{json,yml,yaml,rst,md}]
+indent_size = 2
+
+# Do not configure editor for libs and autogenerated content
+[{*/static/{lib,src/lib}/**,*/static/description/index.html,*/readme/../README.rst}]
+charset = unset
+end_of_line = unset
+indent_size = unset
+indent_style = unset
+insert_final_newline = false
+trim_trailing_whitespace = false

.eslintrc.yml

+env:
+  browser: true
+  es6: true
+
+# See https://github.com/OCA/odoo-community.org/issues/37#issuecomment-470686449
+parserOptions:
+  ecmaVersion: 2017
+
+overrides:
+  - files:
+      - "**/*.esm.js"
+    parserOptions:
+      sourceType: module
+
+# Globals available in Odoo that shouldn't produce errorings
+globals:
+  _: readonly
+  $: readonly
+  fuzzy: readonly
+  jQuery: readonly
+  moment: readonly
+  odoo: readonly
+  openerp: readonly
+  owl: readonly
+
+# Styling is handled by Prettier, so we only need to enable AST rules;
+# see https://github.com/OCA/maintainer-quality-tools/pull/618#issuecomment-558576890
+rules:
+  accessor-pairs: warn
+  array-callback-return: warn
+  callback-return: warn
+  capitalized-comments:
+    - warn
+    - always
+    - ignoreConsecutiveComments: true
+      ignoreInlineComments: true
+  complexity:
+    - warn
+    - 15
+  constructor-super: warn
+  dot-notation: warn
+  eqeqeq: warn
+  global-require: warn
+  handle-callback-err: warn
+  id-blacklist: warn
+  id-match: warn
+  init-declarations: error
+  max-depth: warn
+  max-nested-callbacks: warn
+  max-statements-per-line: warn
+  no-alert: warn
+  no-array-constructor: warn
+  no-caller: warn
+  no-case-declarations: warn
+  no-class-assign: warn
+  no-cond-assign: error
+  no-const-assign: error
+  no-constant-condition: warn
+  no-control-regex: warn
+  no-debugger: error
+  no-delete-var: warn
+  no-div-regex: warn
+  no-dupe-args: error
+  no-dupe-class-members: error
+  no-dupe-keys: error
+  no-duplicate-case: error
+  no-duplicate-imports: error
+  no-else-return: warn
+  no-empty-character-class: warn
+  no-empty-function: error
+  no-empty-pattern: error
+  no-empty: warn
+  no-eq-null: error
+  no-eval: error
+  no-ex-assign: error
+  no-extend-native: warn
+  no-extra-bind: warn
+  no-extra-boolean-cast: warn
+  no-extra-label: warn
+  no-fallthrough: warn
+  no-func-assign: error
+  no-global-assign: error
+  no-implicit-coercion:
+    - warn
+    - allow: ["~"]
+  no-implicit-globals: warn
+  no-implied-eval: warn
+  no-inline-comments: warn
+  no-inner-declarations: warn
+  no-invalid-regexp: warn
+  no-irregular-whitespace: warn
+  no-iterator: warn
+  no-label-var: warn
+  no-labels: warn
+  no-lone-blocks: warn
+  no-lonely-if: error
+  no-mixed-requires: error
+  no-multi-str: warn
+  no-native-reassign: error
+  no-negated-condition: warn
+  no-negated-in-lhs: error
+  no-new-func: warn
+  no-new-object: warn
+  no-new-require: warn
+  no-new-symbol: warn
+  no-new-wrappers: warn
+  no-new: warn
+  no-obj-calls: warn
+  no-octal-escape: warn
+  no-octal: warn
+  no-param-reassign: warn
+  no-path-concat: warn
+  no-process-env: warn
+  no-process-exit: warn
+  no-proto: warn
+  no-prototype-builtins: warn
+  no-redeclare: warn
+  no-regex-spaces: warn
+  no-restricted-globals: warn
+  no-restricted-imports: warn
+  no-restricted-modules: warn
+  no-restricted-syntax: warn
+  no-return-assign: error
+  no-script-url: warn
+  no-self-assign: warn
+  no-self-compare: warn
+  no-sequences: warn
+  no-shadow-restricted-names: warn
+  no-shadow: warn
+  no-sparse-arrays: warn
+  no-sync: warn
+  no-this-before-super: warn
+  no-throw-literal: warn
+  no-undef-init: warn
+  no-undef: error
+  no-unmodified-loop-condition: warn
+  no-unneeded-ternary: error
+  no-unreachable: error
+  no-unsafe-finally: error
+  no-unused-expressions: error
+  no-unused-labels: error
+  no-unused-vars: error
+  no-use-before-define: error
+  no-useless-call: warn
+  no-useless-computed-key: warn
+  no-useless-concat: warn
+  no-useless-constructor: warn
+  no-useless-escape: warn
+  no-useless-rename: warn
+  no-void: warn
+  no-with: warn
+  operator-assignment: [error, always]
+  prefer-const: warn
+  radix: warn
+  require-yield: warn
+  sort-imports: warn
+  spaced-comment: [error, always]
+  strict: [error, function]
+  use-isnan: error
+  valid-jsdoc:
+    - warn
+    - prefer:
+        arg: param
+        argument: param
+        augments: extends
+        constructor: class
+        exception: throws
+        func: function
+        method: function
+        prop: property
+        return: returns
+        virtual: abstract
+        yield: yields
+      preferType:
+        array: Array
+        bool: Boolean
+        boolean: Boolean
+        number: Number
+        object: Object
+        str: String
+        string: String
+      requireParamDescription: false
+      requireReturn: false
+      requireReturnDescription: false
+      requireReturnType: false
+  valid-typeof: warn
+  yoda: warn

.flake8

+[flake8]
+max-line-length = 88
+max-complexity = 16
+# B = bugbear
+# B9 = bugbear opinionated (incl line length)
+select = C,E,F,W,B,B9
+# E203: whitespace before ':' (black behaviour)
+# E501: flake8 line length (covered by bugbear B950)
+# W503: line break before binary operator (black behaviour)
+ignore = E203,E501,W503
+per-file-ignores=
+    __init__.py:F401

.gitignore

+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+/.venv
+/.pytest_cache
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+env/
+bin/
+build/
+develop-eggs/
+dist/
+eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+*.egg-info/
+.installed.cfg
+*.egg
+*.eggs
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.cache
+nosetests.xml
+coverage.xml
+
+# Translations
+*.mo
+
+# Pycharm
+.idea
+
+# Eclipse
+.settings
+
+# Visual Studio cache/options directory
+.vs/
+.vscode
+
+# OSX Files
+.DS_Store
+
+# Django stuff:
+*.log
+
+# Mr Developer
+.mr.developer.cfg
+.project
+.pydevproject
+
+# Rope
+.ropeproject
+
+# Sphinx documentation
+docs/_build/
+
+# Backup files
+*~
+*.swp
+
+# OCA rules
+!static/lib/

.isort.cfg

+[settings]
+; see https://github.com/psf/black
+multi_line_output=3
+include_trailing_comma=True
+force_grid_wrap=0
+combine_as_imports=True
+use_parentheses=True
+line_length=88
+known_odoo=odoo
+known_odoo_addons=odoo.addons
+sections=FUTURE,STDLIB,THIRDPARTY,ODOO,ODOO_ADDONS,FIRSTPARTY,LOCALFOLDER
+default_section=THIRDPARTY
+ensure_newline_before_comments = True

.pre-commit-config.yaml

+exclude: |
+  (?x)
+  # NOT INSTALLABLE ADDONS
+  # END NOT INSTALLABLE ADDONS
+  # Files and folders generated by bots, to avoid loops
+  ^setup/|/static/description/index\.html$|
+  # We don't want to mess with tool-generated files
+  .svg$|/tests/([^/]+/)?cassettes/|^.copier-answers.yml$|^.github/|
+  # Maybe reactivate this when all README files include prettier ignore tags?
+  ^README\.md$|
+  # Library files can have extraneous formatting (even minimized)
+  /static/(src/)?lib/|
+  # Repos using Sphinx to generate docs don't need prettying
+  ^docs/_templates/.*\.html$|
+  # You don't usually want a bot to modify your legal texts
+  (LICENSE.*|COPYING.*)
+default_language_version:
+  python: python3
+  node: "14.13.0"
+repos:
+  - repo: local
+    hooks:
+      # These files are most likely copier diff rejection junks; if found,
+      # review them manually, fix the problem (if needed) and remove them
+      - id: forbidden-files
+        name: forbidden files
+        entry: found forbidden files; remove them
+        language: fail
+        files: "\\.rej$"
+  - repo: https://github.com/oca/maintainer-tools
+    rev: ab1d7f6
+    hooks:
+      # update the NOT INSTALLABLE ADDONS section above
+      - id: oca-update-pre-commit-excluded-addons
+      - id: oca-fix-manifest-website
+        args: ["https://le-filament.com"]
+  - repo: https://github.com/myint/autoflake
+    rev: v1.4
+    hooks:
+      - id: autoflake
+        args:
+          - --expand-star-imports
+          - --ignore-init-module-imports
+          - --in-place
+          - --remove-all-unused-imports
+          - --remove-duplicate-keys
+          - --remove-unused-variables
+  - repo: https://github.com/psf/black
+    rev: 20.8b1
+    hooks:
+      - id: black
+  - repo: https://github.com/pre-commit/mirrors-prettier
+    rev: v2.1.2
+    hooks:
+      - id: prettier
+        name: prettier (with plugin-xml)
+        additional_dependencies:
+          - "prettier@2.1.2"
+          - "@prettier/plugin-xml@0.12.0"
+        args:
+          - --plugin=@prettier/plugin-xml
+        files: \.(css|htm|html|js|json|jsx|less|md|scss|toml|ts|xml|yaml|yml)$
+  - repo: https://github.com/pre-commit/mirrors-eslint
+    rev: v7.8.1
+    hooks:
+      - id: eslint
+        verbose: true
+        args:
+          - --color
+          - --fix
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v3.2.0
+    hooks:
+      - id: trailing-whitespace
+        # exclude autogenerated files
+        exclude: /README\.rst$|\.pot?$
+      - id: end-of-file-fixer
+        # exclude autogenerated files
+        exclude: /README\.rst$|\.pot?$
+      - id: debug-statements
+      - id: fix-encoding-pragma
+        args: ["--remove"]
+      - id: check-case-conflict
+      - id: check-docstring-first
+      - id: check-executables-have-shebangs
+      - id: check-merge-conflict
+        # exclude files where underlines are not distinguishable from merge conflicts
+        exclude: /README\.rst$|^docs/.*\.rst$
+      - id: check-symlinks
+      - id: check-xml
+      - id: mixed-line-ending
+        args: ["--fix=lf"]
+  - repo: https://github.com/asottile/pyupgrade
+    rev: v2.7.2
+    hooks:
+      - id: pyupgrade
+        args: ["--keep-percent-format"]
+  - repo: https://github.com/PyCQA/isort
+    rev: 5.5.1
+    hooks:
+      - id: isort
+        name: isort except __init__.py
+        args:
+          - --settings=.
+        exclude: /__init__\.py$
+  - repo: https://github.com/PyCQA/flake8
+    rev: 3.8.3
+    hooks:
+      - id: flake8
+        name: flake8
+        additional_dependencies: ["flake8-bugbear==20.1.4"]
+  - repo: https://github.com/PyCQA/pylint
+    rev: pylint-2.5.3
+    hooks:
+      - id: pylint
+        name: pylint with optional checks
+        args:
+          - --rcfile=.pylintrc
+          - --exit-zero
+        verbose: true
+        additional_dependencies: &pylint_deps
+          - pylint-odoo==3.5.0
+      - id: pylint
+        name: pylint with mandatory checks
+        args:
+          - --rcfile=.pylintrc-mandatory
+        additional_dependencies: *pylint_deps

.prettierrc.yml

+# Defaults for all prettier-supported languages.
+# Prettier will complete this with settings from .editorconfig file.
+bracketSpacing: false
+printWidth: 88
+proseWrap: always
+semi: true
+trailingComma: "es5"
+xmlWhitespaceSensitivity: "strict"

.pylintrc

+[MASTER]
+load-plugins=pylint_odoo
+score=n
+
+[ODOOLINT]
+readme_template_url="https://github.com/OCA/maintainer-tools/blob/master/template/module/README.rst"
+manifest_required_authors=Le Filament
+manifest_required_keys=license
+manifest_deprecated_keys=description,active
+license_allowed=AGPL-3,GPL-2,GPL-2 or any later version,GPL-3,GPL-3 or any later version,LGPL-3
+valid_odoo_versions=12.0
+
+[MESSAGES CONTROL]
+disable=all
+
+# This .pylintrc contains optional AND mandatory checks and is meant to be
+# loaded in an IDE to have it check everything, in the hope this will make
+# optional checks more visible to contributors who otherwise never look at a
+# green travis to see optional checks that failed.
+# .pylintrc-mandatory containing only mandatory checks is used the pre-commit
+# config as a blocking check.
+
+enable=anomalous-backslash-in-string,
+    api-one-deprecated,
+    api-one-multi-together,
+    assignment-from-none,
+    attribute-deprecated,
+    class-camelcase,
+    dangerous-default-value,
+    dangerous-view-replace-wo-priority,
+    development-status-allowed,
+    duplicate-id-csv,
+    duplicate-key,
+    duplicate-xml-fields,
+    duplicate-xml-record-id,
+    eval-referenced,
+    eval-used,
+    incoherent-interpreter-exec-perm,
+    license-allowed,
+    manifest-author-string,
+    manifest-deprecated-key,
+    manifest-required-author,
+    manifest-required-key,
+    manifest-version-format,
+    method-compute,
+    method-inverse,
+    method-required-super,
+    method-search,
+    openerp-exception-warning,
+    pointless-statement,
+    pointless-string-statement,
+    print-used,
+    redundant-keyword-arg,
+    redundant-modulename-xml,
+    reimported,
+    relative-import,
+    return-in-init,
+    rst-syntax-error,
+    sql-injection,
+    too-few-format-args,
+    translation-field,
+    translation-required,
+    unreachable,
+    use-vim-comment,
+    wrong-tabs-instead-of-spaces,
+    xml-syntax-error,
+    # messages that do not cause the lint step to fail
+    consider-merging-classes-inherited,
+    create-user-wo-reset-password,
+    dangerous-filter-wo-user,
+    deprecated-module,
+    file-not-used,
+    invalid-commit,
+    missing-manifest-dependency,
+    missing-newline-extrafiles,
+    no-utf8-coding-comment,
+    odoo-addons-relative-import,
+    old-api7-method-defined,
+    redefined-builtin,
+    too-complex,
+    unnecessary-utf8-coding-comment
+
+
+[REPORTS]
+msg-template={path}:{line}: [{msg_id}({symbol}), {obj}] {msg}
+output-format=colorized
+reports=no

.pylintrc-mandatory

+[MASTER]
+load-plugins=pylint_odoo
+score=n
+
+[ODOOLINT]
+readme_template_url="https://github.com/OCA/maintainer-tools/blob/master/template/module/README.rst"
+manifest_required_authors=Le Filament
+manifest_required_keys=license
+manifest_deprecated_keys=description,active
+license_allowed=AGPL-3,GPL-2,GPL-2 or any later version,GPL-3,GPL-3 or any later version,LGPL-3
+valid_odoo_versions=12.0
+
+[MESSAGES CONTROL]
+disable=all
+
+enable=anomalous-backslash-in-string,
+    api-one-deprecated,
+    api-one-multi-together,
+    assignment-from-none,
+    attribute-deprecated,
+    class-camelcase,
+    dangerous-default-value,
+    dangerous-view-replace-wo-priority,
+    development-status-allowed,
+    duplicate-id-csv,
+    duplicate-key,
+    duplicate-xml-fields,
+    duplicate-xml-record-id,
+    eval-referenced,
+    eval-used,
+    incoherent-interpreter-exec-perm,
+    license-allowed,
+    manifest-author-string,
+    manifest-deprecated-key,
+    manifest-required-author,
+    manifest-required-key,
+    manifest-version-format,
+    method-compute,
+    method-inverse,
+    method-required-super,
+    method-search,
+    openerp-exception-warning,
+    pointless-statement,
+    pointless-string-statement,
+    print-used,
+    redundant-keyword-arg,
+    redundant-modulename-xml,
+    reimported,
+    relative-import,
+    return-in-init,
+    rst-syntax-error,
+    sql-injection,
+    too-few-format-args,
+    translation-field,
+    translation-required,
+    unreachable,
+    use-vim-comment,
+    wrong-tabs-instead-of-spaces,
+    xml-syntax-error
+
+[REPORTS]
+msg-template={path}:{line}: [{msg_id}({symbol}), {obj}] {msg}
+output-format=colorized
+reports=no

LICENSE

+GNU AFFERO GENERAL PUBLIC LICENSE
+                       Version 3, 19 November 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The GNU Affero General Public License is a free, copyleft license for
+software and other kinds of works, specifically designed to ensure
+cooperation with the community in the case of network server software.
+
+  The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works.  By contrast,
+our General Public Licenses are intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
+software for all its users.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+them if you wish), that you receive source code or can get it if you
+want it, that you can change the software or use pieces of it in new
+free programs, and that you know you can do these things.
+
+  Developers that use our General Public Licenses protect your rights
+with two steps: (1) assert copyright on the software, and (2) offer
+you this License which gives you legal permission to copy, distribute
+and/or modify the software.
+
+  A secondary benefit of defending all users' freedom is that
+improvements made in alternate versions of the program, if they
+receive widespread use, become available for other developers to
+incorporate.  Many developers of free software are heartened and
+encouraged by the resulting cooperation.  However, in the case of
+software used on network servers, this result may fail to come about.
+The GNU General Public License permits making a modified version and
+letting the public access it on a server without ever releasing its
+source code to the public.
+
+  The GNU Affero General Public License is designed specifically to
+ensure that, in such cases, the modified source code becomes available
+to the community.  It requires the operator of a network server to
+provide the source code of the modified version running there to the
+users of that server.  Therefore, public use of a modified version, on
+a publicly accessible server, gives the public access to the source
+code of the modified version.
+
+  An older license, called the Affero General Public License and
+published by Affero, was designed to accomplish similar goals.  This is
+a different license, not a version of the Affero GPL, but Affero has
+released a new version of the Affero GPL which permits relicensing under
+this license.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+                       TERMS AND CONDITIONS
+
+  0. Definitions.
+
+  "This License" refers to version 3 of the GNU Affero General Public License.
+
+  "Copyright" also means copyright-like laws that apply to other kinds of
+works, such as semiconductor masks.
+
+  "The Program" refers to any copyrightable work licensed under this
+License.  Each licensee is addressed as "you".  "Licensees" and
+"recipients" may be individuals or organizations.
+
+  To "modify" a work means to copy from or adapt all or part of the work
+in a fashion requiring copyright permission, other than the making of an
+exact copy.  The resulting work is called a "modified version" of the
+earlier work or a work "based on" the earlier work.
+
+  A "covered work" means either the unmodified Program or a work based
+on the Program.
+
+  To "propagate" a work means to do anything with it that, without
+permission, would make you directly or secondarily liable for
+infringement under applicable copyright law, except executing it on a
+computer or modifying a private copy.  Propagation includes copying,
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+public, and in some countries other activities as well.
+
+  To "convey" a work means any kind of propagation that enables other
+parties to make or receive copies.  Mere interaction with a user through
+a computer network, with no transfer of a copy, is not conveying.
+
+  An interactive user interface displays "Appropriate Legal Notices"
+to the extent that it includes a convenient and prominently visible
+feature that (1) displays an appropriate copyright notice, and (2)
+tells the user that there is no warranty for the work (except to the
+extent that warranties are provided), that licensees may convey the
+work under this License, and how to view a copy of this License.  If
+the interface presents a list of user commands or options, such as a
+menu, a prominent item in the list meets this criterion.
+
+  1. Source Code.
+
+  The "source code" for a work means the preferred form of the work
+for making modifications to it.  "Object code" means any non-source
+form of a work.
+
+  A "Standard Interface" means an interface that either is an official
+standard defined by a recognized standards body, or, in the case of
+interfaces specified for a particular programming language, one that
+is widely used among developers working in that language.
+
+  The "System Libraries" of an executable work include anything, other
+than the work as a whole, that (a) is included in the normal form of
+packaging a Major Component, but which is not part of that Major
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+implementation is available to the public in source code form.  A
+"Major Component", in this context, means a major essential component
+(kernel, window system, and so on) of the specific operating system
+(if any) on which the executable work runs, or a compiler used to
+produce the work, or an object code interpreter used to run it.
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+  The "Corresponding Source" for a work in object code form means all
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+programs which are used unmodified in performing those activities but
+which are not part of the work.  For example, Corresponding Source
+includes interface definition files associated with source files for
+the work, and the source code for shared libraries and dynamically
+linked subprograms that the work is specifically designed to require,
+such as by intimate data communication or control flow between those
+subprograms and other parts of the work.
+
+  The Corresponding Source need not include anything that users
+can regenerate automatically from other parts of the Corresponding
+Source.
+
+  The Corresponding Source for a work in source code form is that
+same work.
+
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+
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+
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+For more information on this, and how to apply and follow the GNU AGPL, see
+<http://www.gnu.org/licenses/>.
\ No newline at end of file

README.rst

+.. image:: https://img.shields.io/badge/licence-AGPL--3-blue.svg
+   :target: http://www.gnu.org/licenses/agpl
+   :alt: License: AGPL-3
+
+
+=====================
+3A Dentaire - WhatApp
+=====================
+
+Description
+===========
+
+Ce module hérite le module **website** pour ajouter une icône fixe WhatsApp sur le site web.
+
+
+Usage
+=====
+
+Renseigner le numéro de téléphone dans la configuration du site web.
+
+Credits
+=======
+
+Contributors
+------------
+
+* Benjamin Rivier <benjamin@le-filament.com>
+
+
+Maintainer
+----------
+
+.. image:: https://le-filament.com/images/logo-lefilament.png
+   :alt: Le Filament
+   :target: https://le-filament.com
+
+This module is maintained by Le Filament

__init__.py

+from . import models

__manifest__.py

+# Copyright 2022 Studio73 - Ioan Galan <ioan@studio73.es>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+{
+    "name": "3A Dentaire - Whatsapp",
+    "summary": "Intégration Whatsapp pour 3A Dentaire",
+    "category": "Website",
+    "version": "12.0.1.0.1",
+    "author": "Le Filament",
+    "license": "AGPL-3",
+    "application": False,
+    "depends": ["website"],
+    "data": [
+        "templates/website.xml",
+        "views/assets.xml",
+        "views/res_config_settings.xml",
+    ],
+    "installable": True,
+}

models/__init__.py

+from . import res_config_settings
+from . import website

models/res_config_settings.py

+# Copyright 2022 Studio73 - Ioan Galan <ioan@studio73.es>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import fields, models
+
+
+class Website(models.Model):
+    _inherit = "website"
+
+    whatsapp_number = fields.Char(string="Numéro WhatsApp")
+    whatsapp_text = fields.Char(
+        "Texte par défaut",
+    )

models/website.py

+# Copyright 2022 Studio73 - Ioan Galan <ioan@studio73.es>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import api, fields, models
+
+
+class ResConfigSettings(models.TransientModel):
+    _inherit = "res.config.settings"
+
+    @api.depends("website_id.whatsapp_number")
+    def _compute_whatsapp_enabled(self):
+        for record in self:
+            record.update({"whatsapp_enabled": bool(record.whatsapp_number)})
+
+    def _inverse_whatsapp_enabled(self):
+        for record in self:
+            if not record.whatsapp_enabled:
+                record.website_id.update({"whatsapp_number": False})
+
+    whatsapp_number = fields.Char(
+        related="website_id.whatsapp_number",
+        readonly=False,
+    )
+    whatsapp_text = fields.Char(
+        related="website_id.whatsapp_text",
+        readonly=False,
+    )
+    whatsapp_enabled = fields.Boolean(
+        string="Use Whatsapp",
+        compute="_compute_whatsapp_enabled",
+        inverse="_inverse_whatsapp_enabled",
+    )

static/description/index.html

+<?xml version="1.0" encoding="utf-8" ?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+  <head>
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    <meta
+      name="generator"
+      content="Docutils 0.15.1: http://docutils.sourceforge.net/"
+    />
+    <title>Website Whatsapp</title>
+    <style type="text/css">
+      /*
+:Author: David Goodger (goodger@python.org)
+:Id: $Id: html4css1.css 7952 2016-07-26 18:15:59Z milde $
+:Copyright: This stylesheet has been placed in the public domain.
+
+Default cascading style sheet for the HTML output of Docutils.
+
+See http://docutils.sf.net/docs/howto/html-stylesheets.html for how to
+customize this style sheet.
+*/
+
+      /* used to remove borders from tables and images */
+      .borderless,
+      table.borderless td,
+      table.borderless th {
+        border: 0;
+      }
+
+      table.borderless td,
+      table.borderless th {
+        /* Override padding for "table.docutils td" with "! important".
+     The right padding separates the table cells. */
+        padding: 0 0.5em 0 0 !important;
+      }
+
+      .first {
+        /* Override more specific margin styles with "! important". */
+        margin-top: 0 !important;
+      }
+
+      .last,
+      .with-subtitle {
+        margin-bottom: 0 !important;
+      }
+
+      .hidden {
+        display: none;
+      }
+
+      .subscript {
+        vertical-align: sub;
+        font-size: smaller;
+      }
+
+      .superscript {
+        vertical-align: super;
+        font-size: smaller;
+      }
+
+      a.toc-backref {
+        text-decoration: none;
+        color: black;
+      }
+
+      blockquote.epigraph {
+        margin: 2em 5em;
+      }
+
+      dl.docutils dd {
+        margin-bottom: 0.5em;
+      }
+
+      object[type="image/svg+xml"],
+      object[type="application/x-shockwave-flash"] {
+        overflow: hidden;
+      }
+
+      /* Uncomment (and remove this text!) to get bold-faced definition list terms
+dl.docutils dt {
+  font-weight: bold }
+*/
+
+      div.abstract {
+        margin: 2em 5em;
+      }
+
+      div.abstract p.topic-title {
+        font-weight: bold;
+        text-align: center;
+      }
+
+      div.admonition,
+      div.attention,
+      div.caution,
+      div.danger,
+      div.error,
+      div.hint,
+      div.important,
+      div.note,
+      div.tip,
+      div.warning {
+        margin: 2em;
+        border: medium outset;
+        padding: 1em;
+      }
+
+      div.admonition p.admonition-title,
+      div.hint p.admonition-title,
+      div.important p.admonition-title,
+      div.note p.admonition-title,
+      div.tip p.admonition-title {
+        font-weight: bold;
+        font-family: sans-serif;
+      }
+
+      div.attention p.admonition-title,
+      div.caution p.admonition-title,
+      div.danger p.admonition-title,
+      div.error p.admonition-title,
+      div.warning p.admonition-title,
+      .code .error {
+        color: red;
+        font-weight: bold;
+        font-family: sans-serif;
+      }
+
+      /* Uncomment (and remove this text!) to get reduced vertical space in
+   compound paragraphs.
+div.compound .compound-first, div.compound .compound-middle {
+  margin-bottom: 0.5em }
+
+div.compound .compound-last, div.compound .compound-middle {
+  margin-top: 0.5em }
+*/
+
+      div.dedication {
+        margin: 2em 5em;
+        text-align: center;
+        font-style: italic;
+      }
+
+      div.dedication p.topic-title {
+        font-weight: bold;
+        font-style: normal;
+      }
+
+      div.figure {
+        margin-left: 2em;
+        margin-right: 2em;
+      }
+
+      div.footer,
+      div.header {
+        clear: both;
+        font-size: smaller;
+      }
+
+      div.line-block {
+        display: block;
+        margin-top: 1em;
+        margin-bottom: 1em;
+      }
+
+      div.line-block div.line-block {
+        margin-top: 0;
+        margin-bottom: 0;
+        margin-left: 1.5em;
+      }
+
+      div.sidebar {
+        margin: 0 0 0.5em 1em;
+        border: medium outset;
+        padding: 1em;
+        background-color: #ffffee;
+        width: 40%;
+        float: right;
+        clear: right;
+      }
+
+      div.sidebar p.rubric {
+        font-family: sans-serif;
+        font-size: medium;
+      }
+
+      div.system-messages {
+        margin: 5em;
+      }
+
+      div.system-messages h1 {
+        color: red;
+      }
+
+      div.system-message {
+        border: medium outset;
+        padding: 1em;
+      }
+
+      div.system-message p.system-message-title {
+        color: red;
+        font-weight: bold;
+      }
+
+      div.topic {
+        margin: 2em;
+      }
+
+      h1.section-subtitle,
+      h2.section-subtitle,
+      h3.section-subtitle,
+      h4.section-subtitle,
+      h5.section-subtitle,
+      h6.section-subtitle {
+        margin-top: 0.4em;
+      }
+
+      h1.title {
+        text-align: center;
+      }
+
+      h2.subtitle {
+        text-align: center;
+      }
+
+      hr.docutils {
+        width: 75%;
+      }
+
+      img.align-left,
+      .figure.align-left,
+      object.align-left,
+      table.align-left {
+        clear: left;
+        float: left;
+        margin-right: 1em;
+      }
+
+      img.align-right,
+      .figure.align-right,
+      object.align-right,
+      table.align-right {
+        clear: right;
+        float: right;
+        margin-left: 1em;
+      }
+
+      img.align-center,
+      .figure.align-center,
+      object.align-center {
+        display: block;
+        margin-left: auto;
+        margin-right: auto;
+      }
+
+      table.align-center {
+        margin-left: auto;
+        margin-right: auto;
+      }
+
+      .align-left {
+        text-align: left;
+      }
+
+      .align-center {
+        clear: both;
+        text-align: center;
+      }
+
+      .align-right {
+        text-align: right;
+      }
+
+      /* reset inner alignment in figures */
+      div.align-right {
+        text-align: inherit;
+      }
+
+      /* div.align-center * { */
+      /*   text-align: left } */
+
+      .align-top {
+        vertical-align: top;
+      }
+
+      .align-middle {
+        vertical-align: middle;
+      }
+
+      .align-bottom {
+        vertical-align: bottom;
+      }
+
+      ol.simple,
+      ul.simple {
+        margin-bottom: 1em;
+      }
+
+      ol.arabic {
+        list-style: decimal;
+      }
+
+      ol.loweralpha {
+        list-style: lower-alpha;
+      }
+
+      ol.upperalpha {
+        list-style: upper-alpha;
+      }
+
+      ol.lowerroman {
+        list-style: lower-roman;
+      }
+
+      ol.upperroman {
+        list-style: upper-roman;
+      }
+
+      p.attribution {
+        text-align: right;
+        margin-left: 50%;
+      }
+
+      p.caption {
+        font-style: italic;
+      }
+
+      p.credits {
+        font-style: italic;
+        font-size: smaller;
+      }
+
+      p.label {
+        white-space: nowrap;
+      }
+
+      p.rubric {
+        font-weight: bold;
+        font-size: larger;
+        color: maroon;
+        text-align: center;
+      }
+
+      p.sidebar-title {
+        font-family: sans-serif;
+        font-weight: bold;
+        font-size: larger;
+      }
+
+      p.sidebar-subtitle {
+        font-family: sans-serif;
+        font-weight: bold;
+      }
+
+      p.topic-title {
+        font-weight: bold;
+      }
+
+      pre.address {
+        margin-bottom: 0;
+        margin-top: 0;
+        font: inherit;
+      }
+
+      pre.literal-block,
+      pre.doctest-block,
+      pre.math,
+      pre.code {
+        margin-left: 2em;
+        margin-right: 2em;
+      }
+
+      pre.code .ln {
+        color: grey;
+      } /* line numbers */
+      pre.code,
+      code {
+        background-color: #eeeeee;
+      }
+      pre.code .comment,
+      code .comment {
+        color: #5c6576;
+      }
+      pre.code .keyword,
+      code .keyword {
+        color: #3b0d06;
+        font-weight: bold;
+      }
+      pre.code .literal.string,
+      code .literal.string {
+        color: #0c5404;
+      }
+      pre.code .name.builtin,
+      code .name.builtin {
+        color: #352b84;
+      }
+      pre.code .deleted,
+      code .deleted {
+        background-color: #deb0a1;
+      }
+      pre.code .inserted,
+      code .inserted {
+        background-color: #a3d289;
+      }
+
+      span.classifier {
+        font-family: sans-serif;
+        font-style: oblique;
+      }
+
+      span.classifier-delimiter {
+        font-family: sans-serif;
+        font-weight: bold;
+      }
+
+      span.interpreted {
+        font-family: sans-serif;
+      }
+
+      span.option {
+        white-space: nowrap;
+      }
+
+      span.pre {
+        white-space: pre;
+      }
+
+      span.problematic {
+        color: red;
+      }
+
+      span.section-subtitle {
+        /* font-size relative to parent (h1..h6 element) */
+        font-size: 80%;
+      }
+
+      table.citation {
+        border-left: solid 1px gray;
+        margin-left: 1px;
+      }
+
+      table.docinfo {
+        margin: 2em 4em;
+      }
+
+      table.docutils {
+        margin-top: 0.5em;
+        margin-bottom: 0.5em;
+      }
+
+      table.footnote {
+        border-left: solid 1px black;
+        margin-left: 1px;
+      }
+
+      table.docutils td,
+      table.docutils th,
+      table.docinfo td,
+      table.docinfo th {
+        padding-left: 0.5em;
+        padding-right: 0.5em;
+        vertical-align: top;
+      }
+
+      table.docutils th.field-name,
+      table.docinfo th.docinfo-name {
+        font-weight: bold;
+        text-align: left;
+        white-space: nowrap;
+        padding-left: 0;
+      }
+
+      /* "booktabs" style (no vertical lines) */
+      table.docutils.booktabs {
+        border: 0px;
+        border-top: 2px solid;
+        border-bottom: 2px solid;
+        border-collapse: collapse;
+      }
+      table.docutils.booktabs * {
+        border: 0px;
+      }
+      table.docutils.booktabs th {
+        border-bottom: thin solid;
+        text-align: left;
+      }
+
+      h1 tt.docutils,
+      h2 tt.docutils,
+      h3 tt.docutils,
+      h4 tt.docutils,
+      h5 tt.docutils,
+      h6 tt.docutils {
+        font-size: 100%;
+      }
+
+      ul.auto-toc {
+        list-style-type: none;
+      }
+    </style>
+  </head>
+  <body>
+    <div class="document" id="website-whatsapp">
+      <h1 class="title">Website Whatsapp</h1>
+
+      <!-- !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+!! This file is generated by oca-gen-addon-readme !!
+!! changes will be overwritten.                   !!
+!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
+      <p>
+        <a
+          class="reference external"
+          href="https://odoo-community.org/page/development-status"
+          ><img alt="Beta" src="https://img.shields.io/badge/maturity-Beta-yellow.png"
+        /></a>
+        <a
+          class="reference external"
+          href="http://www.gnu.org/licenses/agpl-3.0-standalone.html"
+          ><img
+            alt="License: AGPL-3"
+            src="https://img.shields.io/badge/licence-AGPL--3-blue.png"
+        /></a>
+        <a
+          class="reference external"
+          href="https://github.com/OCA/website/tree/15.0/website_whatsapp"
+          ><img
+            alt="OCA/website"
+            src="https://img.shields.io/badge/github-OCA%2Fwebsite-lightgray.png?logo=github"
+        /></a>
+        <a
+          class="reference external"
+          href="https://translation.odoo-community.org/projects/website-15-0/website-15-0-website_whatsapp"
+          ><img
+            alt="Translate me on Weblate"
+            src="https://img.shields.io/badge/weblate-Translate%20me-F47D42.png"
+        /></a>
+        <a
+          class="reference external"
+          href="https://runbot.odoo-community.org/runbot/186/15.0"
+          ><img
+            alt="Try me on Runbot"
+            src="https://img.shields.io/badge/runbot-Try%20me-875A7B.png"
+        /></a>
+      </p>
+      <p>
+        Enable a WhatsApp floating button on the website to be able to send a message
+        quickly
+      </p>
+      <p><strong>Table of contents</strong></p>
+      <div class="contents local topic" id="contents">
+        <ul class="simple">
+          <li>
+            <a class="reference internal" href="#configuration" id="id1"
+              >Configuration</a
+            >
+          </li>
+          <li>
+            <a class="reference internal" href="#bug-tracker" id="id2">Bug Tracker</a>
+          </li>
+          <li>
+            <a class="reference internal" href="#credits" id="id3">Credits</a>
+            <ul>
+              <li>
+                <a class="reference internal" href="#authors" id="id4">Authors</a>
+              </li>
+              <li>
+                <a class="reference internal" href="#contributors" id="id5"
+                  >Contributors</a
+                >
+              </li>
+              <li>
+                <a class="reference internal" href="#maintainers" id="id6"
+                  >Maintainers</a
+                >
+              </li>
+            </ul>
+          </li>
+        </ul>
+      </div>
+      <div class="section" id="configuration">
+        <h1><a class="toc-backref" href="#id1">Configuration</a></h1>
+        <p>To configure this module, you need to:</p>
+        <ol class="arabic simple">
+          <li>Go to <strong>Website &gt; Configuration &gt; Settings</strong></li>
+          <li>Search ‘Use Whatsapp’ option.</li>
+          <li>Fill in your ‘WhatsApp number’ and the other optional values</li>
+        </ol>
+      </div>
+      <div class="section" id="bug-tracker">
+        <h1><a class="toc-backref" href="#id2">Bug Tracker</a></h1>
+        <p>
+          Bugs are tracked on
+          <a class="reference external" href="https://github.com/OCA/website/issues"
+            >GitHub Issues</a
+          >. In case of trouble, please check there if your issue has already been
+          reported. If you spotted it first, help us smashing it by providing a detailed
+          and welcomed
+          <a
+            class="reference external"
+            href="https://github.com/OCA/website/issues/new?body=module:%20website_whatsapp%0Aversion:%2015.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**"
+            >feedback</a
+          >.
+        </p>
+        <p>
+          Do not contact contributors directly about support or help with technical
+          issues.
+        </p>
+      </div>
+      <div class="section" id="credits">
+        <h1><a class="toc-backref" href="#id3">Credits</a></h1>
+        <div class="section" id="authors">
+          <h2><a class="toc-backref" href="#id4">Authors</a></h2>
+          <ul class="simple">
+            <li>Studio73</li>
+          </ul>
+        </div>
+        <div class="section" id="contributors">
+          <h2><a class="toc-backref" href="#id5">Contributors</a></h2>
+          <ul class="simple">
+            <li>
+              <dl class="first docutils">
+                <dt>
+                  <a class="reference external" href="https://www.studio73.es"
+                    >Studio73</a
+                  >:
+                </dt>
+                <dd>
+                  <ul class="first last">
+                    <li>
+                      Ioan Galan &lt;<a
+                        class="reference external"
+                        href="mailto:ioan&#64;studio73.es"
+                        >ioan&#64;studio73.es</a
+                      >&gt;
+                    </li>
+                  </ul>
+                </dd>
+              </dl>
+            </li>
+          </ul>
+        </div>
+        <div class="section" id="maintainers">
+          <h2><a class="toc-backref" href="#id6">Maintainers</a></h2>
+          <p>This module is maintained by the OCA.</p>
+          <a
+            class="reference external image-reference"
+            href="https://odoo-community.org"
+            ><img
+              alt="Odoo Community Association"
+              src="https://odoo-community.org/logo.png"
+          /></a>
+          <p>
+            OCA, or the Odoo Community Association, is a nonprofit organization whose
+            mission is to support the collaborative development of Odoo features and
+            promote its widespread use.
+          </p>
+          <p>
+            Current
+            <a
+              class="reference external"
+              href="https://odoo-community.org/page/maintainer-role"
+              >maintainer</a
+            >:
+          </p>
+          <p>
+            <a class="reference external" href="https://github.com/ioans73"
+              ><img alt="ioans73" src="https://github.com/ioans73.png?size=40px"
+            /></a>
+          </p>
+          <p>
+            This module is part of the
+            <a
+              class="reference external"
+              href="https://github.com/OCA/website/tree/15.0/website_whatsapp"
+              >OCA/website</a
+            >
+            project on GitHub.
+          </p>
+          <p>
+            You are welcome to contribute. To learn how please visit
+            <a
+              class="reference external"
+              href="https://odoo-community.org/page/Contribute"
+              >https://odoo-community.org/page/Contribute</a
+            >.
+          </p>
+        </div>
+      </div>
+    </div>
+  </body>
+</html>

static/src/scss/website.scss

+#whatsapp_icon {
+    z-index: 9999;
+    position: fixed;
+    bottom: 50px;
+    right: 30px;
+    -webkit-transition: all 0.3s linear;
+    -moz-transition: all 0.3s ease;
+    -ms-transition: all 0.3s ease;
+    -o-transition: all 0.3s ease;
+    transition: all 0.3s ease;
+    border: 3px solid white;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    span {
+        padding: 0px 16px;
+        line-height: 1.6;
+        font-size: 15px;
+        background-color: #01e675;
+        color: #fff;
+        border-radius: 10px;
+        margin: 0px 5px;
+        order: 0;
+        display: none;
+    }
+    i {
+        color: #fff;
+        font-size: 30px;
+        padding: 12px;
+        background: rgb(37, 211, 102);
+        text-decoration: none;
+        -webkit-border-radius: 35px;
+        -moz-border-radius: 35px;
+        border-radius: 35px;
+        text-align: center;
+    }
+    a:hover > span {
+        display: inline-block;
+    }
+    @media (max-width: 576px) {
+        & {
+            bottom: 90px;
+            right: 10px;
+        }
+    }
+}

templates/website.xml

+<?xml version="1.0" encoding="utf-8" ?>
+<odoo>
+    <template id="layout" name="Floating WhatsApp Icon" inherit_id="website.layout">
+        <xpath expr="//div[@id='wrapwrap']" position="after">
+            <t t-set="extra_info" t-value="''" />
+            <t
+                t-if="website.whatsapp_text"
+                t-set="extra_info"
+                t-value="website.whatsapp_text"
+            />
+            <div t-if="website.whatsapp_number" id="whatsapp_icon">
+                <a
+                    target="_blank"
+                    t-attf-href="https://api.whatsapp.com/send?phone={{website.whatsapp_number}}&amp;text={{extra_info}}"
+
+                    data-content="Contactez-nous avec WhatsApp"
+                >
+                    <span>Contactez-nous avec WhatsApp</span>
+                    <i class="fa fa-whatsapp" />
+                </a>
+            </div>
+        </xpath>
+    </template>
+</odoo>