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odoo.define('mail/static/src/model/model_field_command.js', function (require) {
'use strict';
/**
* Allows field update to detect if the value it received is a command to
* execute (in which was it will be an instance of this class) or an actual
* value to set (in all other cases).
*/
class FieldCommand {
/**
* @constructor
* @param {function} func function to call when executing this command.
* The function should ALWAYS return a boolean value
* to indicate whether the value changed.
*/
constructor(func) {
this.func = func;
}
/**
* @param {ModelField} field
* @param {mail.model} record
* @param {options} [options]
* @returns {boolean} whether the value changed for the current field
*/
execute(field, record, options) {
return this.func(field, record, options);
}
}
/**
* Returns a clear command to give to the model manager at create/update.
*/
function clear() {
return new FieldCommand((field, record, options) =>
field.clear(record, options)
);
}
/**
* Returns a decrement command to give to the model manager at create/update.
*
* @param {number} [amount=1]
*/
function decrement(amount = 1) {
return new FieldCommand((field, record, options) => {
const oldValue = field.get(record);
return field.set(record, oldValue - amount, options);
});
}
/**
* Returns a increment command to give to the model manager at create/update.
*
* @param {number} [amount=1]
*/
function increment(amount = 1) {
return new FieldCommand((field, record, options) => {
const oldValue = field.get(record);
return field.set(record, oldValue + amount, options);
});
}
return {
// class
FieldCommand,
// shortcuts
clear,
decrement,
increment,
};
});
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