Created
December 19, 2013 20:02
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var HasMany = function(source, target, options) { | |
var self = this | |
this.associationType = 'HasMany' | |
this.source = source | |
this.target = target | |
this.options = options | |
this.sequelize = source.daoFactoryManager.sequelize | |
this.through = options.through | |
this.isSelfAssociation = (this.source.tableName === this.target.tableName) | |
this.doubleLinked = false | |
this.combinedTableName = Utils.combineTableNames( | |
this.source.tableName, | |
this.isSelfAssociation ? (this.options.as || this.target.tableName) : this.target.tableName | |
) | |
/* | |
* Map joinTableModel/Name to through for BC | |
*/ | |
if (this.through === undefined) { | |
this.through = this.options.joinTableModel || this.options.joinTableName; | |
/* | |
* If both are undefined, see if useJunctionTable was false (for self associations) - else assume through to be true | |
*/ | |
if (this.through === undefined) { | |
if (this.options.useJunctionTable === false) { | |
this.through = null; | |
} else { | |
this.through = true; | |
} | |
} | |
} | |
this.associationAccessor = this.options.as | |
if (!this.associationAccessor && (typeof this.through === "string" || Object(this.through) === this.through)) { | |
this.associationAccessor = this.through.tableName || this.through | |
} | |
else if (!this.associationAccessor) { | |
this.associationAccessor = this.combinedTableName | |
} | |
/* | |
* Find partner DAOFactory if present, to identify double linked association | |
*/ | |
if (this.through) { | |
_.each(this.target.associations, function (association, accessor) { | |
if (self.source === association.target) { | |
// If through is default, we determine pairing by the accesor value (i.e. DAOFactory's using as won't match, but regular ones will) | |
if (self.through === true) { | |
if (accessor === self.associationAccessor) { | |
self.doubleLinked = true | |
association.doubleLinked = true | |
self.through = association.through | |
} | |
return | |
} | |
if (self.options.through === assocation.options.through) { | |
self.doubleLinked = true | |
association.doubleLinked = true | |
self.through = association.through | |
return | |
} | |
} | |
}); | |
} | |
if (this.through === true) { | |
this.through = this.combinedTableName | |
} | |
if (typeof this.through === "string") { | |
this.through = this.sequelize.define(this.through, {}, _.extend(this.options, { | |
tableName: this.through | |
})) | |
} | |
this.options.tableName = this.combinedName = (this.through === Object(this.through) ? this.through.tableName : this.through) | |
var as = (this.options.as || Utils.pluralize(this.target.tableName, this.target.options.language)) | |
this.accessors = { | |
get: Utils._.camelize('get_' + as), | |
set: Utils._.camelize('set_' + as), | |
add: Utils._.camelize(Utils.singularize('add_' + as, this.target.options.language)), | |
remove: Utils._.camelize(Utils.singularize('remove_' + as, this.target.options.language)), | |
hasSingle: Utils._.camelize(Utils.singularize('has_' + as, this.target.options.language)), | |
hasAll: Utils._.camelize('has_' + as) | |
} | |
} |
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