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/// crmFile: Manage file attachments
(function (angular, $, _) {
angular.module('crmAttachment', CRM.angRequires('crmAttachment'));
// crmAttachment manages the list of files which are attached to a given entity
angular.module('crmAttachment').factory('CrmAttachments', function (crmApi, crmStatus, FileUploader, $q) {
// @param target an Object(entity_table:'',entity_id:'') or function which generates an object
function CrmAttachments(target) {
var crmAttachments = this;
this._target = target;
this.files = [];
this.trash = [];
this.uploader = new FileUploader({
url: CRM.url('civicrm/ajax/attachment'),
onAfterAddingFile: function onAfterAddingFile(item) {
item.crmData = {
description: ''
};
},
onSuccessItem: function onSuccessItem(item, response, status, headers) {
crmAttachments.files.push(response.file.values[response.file.id]);
crmAttachments.uploader.removeFromQueue(item);
},
onErrorItem: function onErrorItem(item, response, status, headers) {
var msg = (response && response.file && response.file.error_message) ? response.file.error_message : ts('Unknown error');
CRM.alert(item.file.name + ' - ' + msg, ts('Attachment failed'));
crmAttachments.uploader.removeFromQueue(item);
}
});
}
angular.extend(CrmAttachments.prototype, {
// @return Object(entity_table:'',entity_id:'')
getTarget: function () {
return (angular.isFunction(this._target) ? this._target() : this._target);
},
// @return Promise<Attachment>
load: function load() {
var target = this.getTarget();
var Attachment = this;
if (target.entity_id) {
var params = {
entity_table: target.entity_table,
entity_id: target.entity_id
};
return crmApi('Attachment', 'get', params).then(function (apiResult) {
Attachment.files = _.values(apiResult.values);
return Attachment;
});
}
else {
var dfr = $q.defer();
Attachment.files = [];
dfr.resolve(Attachment);
return dfr.promise;
}
},
// @return Promise
save: function save() {
var crmAttachments = this;
var target = this.getTarget();
if (!target.entity_table || !target.entity_id) {
throw "Cannot save attachments: unknown entity_table or entity_id";
}
var params = _.extend({}, target);
params.values = crmAttachments.files;
return crmApi('Attachment', 'replace', params)
.then(function () {
var dfr = $q.defer();
var newItems = crmAttachments.uploader.getNotUploadedItems();
if (newItems.length > 0) {
_.each(newItems, function (item) {
item.formData = [_.extend({crm_attachment_token: CRM.crmAttachment.token}, target, item.crmData)];
});
crmAttachments.uploader.onCompleteAll = function onCompleteAll() {
delete crmAttachments.uploader.onCompleteAll;
dfr.resolve(crmAttachments);
};
crmAttachments.uploader.uploadAll();
}
else {
dfr.resolve(crmAttachments);
}
return dfr.promise;
});
},
// Compute a digest over the list of files. The signature should change if the attachment list has changed
// (become dirty).
getAutosaveSignature: function getAutosaveSignature() {
var sig = [];
// Attachments have a special lifecycle, and attachments.queue is not properly serializable, so
// it takes some special effort to figure out a suitable signature. Issues which can cause gratuitous saving:
// - Files move from this.uploader.queue to this.files after upload.
// - File names are munged after upload.
// - Deletes are performed immediately (outside the save process).
angular.forEach(this.files, function(item) {
sig.push({f: item.name.replace(/[^a-zA0-Z0-9\.]/, '_'), d: item.description});
});
angular.forEach(this.uploader.queue, function(item) {
sig.push({f: item.file.name.replace(/[^a-zA0-Z0-9\.]/, '_'), d: item.crmData.description});
});
angular.forEach(this.trash, function(item) {
sig.push({f: item.name.replace(/[^a-zA0-Z0-9\.]/, '_'), d: item.description});
});
return _.sortBy(sig, 'name');
},
// @param Object file APIv3 attachment record (e.g. id, entity_table, entity_id, description)
deleteFile: function deleteFile(file) {
var crmAttachments = this;
var idx = _.indexOf(this.files, file);
if (idx != -1) {
this.files.splice(idx, 1);
}
this.trash.push(file);
if (file.id) {
var p = crmApi('Attachment', 'delete', {id: file.id}).then(
function () { // success
},
function (response) { // error; restore the file
var msg = angular.isObject(response) ? response.error_message : '';
CRM.alert(msg, ts('Deletion failed'));
crmAttachments.files.push(file);
var trashIdx = _.indexOf(crmAttachments.trash, file);
if (trashIdx != -1) {
crmAttachments.trash.splice(trashIdx, 1);
}
}
);
return crmStatus({start: ts('Deleting...'), success: ts('Deleted')}, p);
}
}
});
return CrmAttachments;
});
// example:
// $scope.myAttachments = new CrmAttachments({entity_table: 'civicrm_mailing', entity_id: 123});
// <div crm-attachments="myAttachments"/>
angular.module('crmAttachment').directive('crmAttachments', function ($parse, $timeout) {
return {
scope: {
crmAttachments: '@'
},
template: '<div ng-if="ready" ng-include="inclUrl"></div>',
link: function (scope, elm, attr) {
var model = $parse(attr.crmAttachments);
scope.att = model(scope.$parent);
scope.ts = CRM.ts(null);
scope.inclUrl = '~/crmAttachment/attachments.html';
// delay rendering of child tree until after model has been populated
scope.ready = true;
}
};
});
})(angular, CRM.$, CRM._);
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