Qvitter/js/ajax-functions.js

 /* · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·  
  ·                                                                             ·
  ·                                                                             ·
  ·                             Q V I T T E R                                   ·
  ·                                                                             ·
  ·              http://github.com/hannesmannerheim/qvitter                     ·
  ·                                                                             ·
  ·                                                                             ·
  ·                                 <o)                                         ·
  ·                                  /_////                                     ·
  ·                                 (____/                                      ·
  ·                                          (o<                                ·
  ·                                   o> \\\\_\                                 ·
  ·                                 \\)   \____)                                ·
  ·                                                                             ·
  ·                                                                             ·    
  ·                                                                             ·
  ·  Qvitter is free  software:  you can  redistribute it  and / or  modify it  ·
  ·  under the  terms of the GNU Affero General Public License as published by  ·
  ·  the Free Software Foundation,  either version three of the License or (at  ·
  ·  your option) any later version.                                            ·
  ·                                                                             ·
  ·  Qvitter is distributed  in hope that  it will be  useful but  WITHOUT ANY  ·
  ·  WARRANTY;  without even the implied warranty of MERCHANTABILTY or FITNESS  ·
  ·  FOR A PARTICULAR PURPOSE.  See the  GNU Affero General Public License for  ·
  ·  more details.                                                              ·
  ·                                                                             ·
  ·  You should have received a copy of the  GNU Affero General Public License  ·
  ·  along with Qvitter. If not, see <http://www.gnu.org/licenses/>.            ·
  ·                                                                             ·
  ·   Contact h@nnesmannerhe.im if you have any questions.                      ·
  ·                                                                             · 
  · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · */

/* · 
   · 
   ·   Current time in milliseconds, to send with each request to make sure 
   ·   we're not getting 304 responses.
   ·
   ·   
   · · · · · · · · · · · · · */ 

function timeNow() {
	return new Date().getTime();
	}



/* · 
   · 
   ·   Get a document and replace strings 
   ·
   ·   @param doc: the name of the document  
   ·   @param actionOnSuccess: callback function to run on success    
   · 
   · · · · · · · · · · · · · */ 
   
function getDoc(doc, actionOnSuccess) {
	var timeNow = new Date().getTime();
	$.get(window.fullUrlToThisQvitterApp + 'doc/' + window.selectedLanguage + '/' + doc + '.html?t=' + timeNow, function(data){
		if(data) {
			actionOnSuccess(renderDoc(data));
			}
		}).fail(function() { // default to english if we can't find the doc in selected language
			$.get(window.fullUrlToThisQvitterApp + 'doc/en/' + doc + '.html?t=' + timeNow, function(data){
				if(data) {
					actionOnSuccess(renderDoc(data));
					}
				});			
			});
	}	
function renderDoc(docHtml) {
	docHtml = docHtml.replace(/{instance-name}/g,window.siteTitle);
	docHtml = docHtml.replace(/{instance-url}/g,window.siteRootDomain);
	docHtml = docHtml.replace(/{instance-url-with-protocol}/g,window.siteInstanceURL);
	docHtml = docHtml.replace(/{nickname}/g,window.loggedIn.screen_name);
	docHtml = docHtml.replace(/{instance-email}/g,window.siteEmail);
	docHtml = docHtml.replace(/{instance-license-title}/g,window.siteLicenseTitle);
	docHtml = docHtml.replace(/{instance-license-url}/g,window.siteLicenseURL);			
	return docHtml;	
	}

/* ·  
   · 
   ·   Check login credentials with http basic auth
   · 
   ·   @param username: users screen name
   ·   @param password: users password
   ·   @param actionOnSuccess: callback function on log in success
   · 
   · · · · · · · · · */
    
function checkLogin(username,password,actionOnSuccess) { 
 	$.ajax({ url: window.apiRoot + 'qvitter/checklogin.json', 
	 	type: 'POST',
	 	data: { 
			username: username,
			password: password
			},	 	
	 	dataType: 'json', 
	 	error: function() {
	 		logoutWithoutReload(true);
	 		},
 		success: function(data) { 					
			if(typeof data.error == 'undefined' && data !== false) {
				actionOnSuccess(data);
				}
			else {
		 		logoutWithoutReload(true);
				}
			}
		});				
	}


/* · 
   · 
   ·   Generic API GET request
   ·
   ·   @param stream: any api get-request e.g. 'statuses/favs/111111.json'
   ·   @param actionOnSuccess: callback function      
   ·   
   · · · · · · · · · · · · · */ 
   
function getFromAPI(stream, actionOnSuccess) {
	$.ajax({ url: window.apiRoot + stream + qOrAmp(stream) + 't=' + timeNow(), 
		type: "GET",		
		dataType: 'json', 
		statusCode: {
			401:function() { 
				location.reload(); // we may have been logged out in another tab, reload page			
				},
			404:function() { 
				// redirect to frontpage when trying to access non-existing users					
				if(stream.indexOf('statuses/user_timeline.json?screen_name=') > -1) {
					window.location.replace(window.siteInstanceURL); 
					}
				}				
			},
		success: function(data, textStatus, request) { 

			displayOrHideUnreadNotifications(request.getResponseHeader('Qvitter-Notifications'));
			
			data = convertEmptyObjectToEmptyArray(data);		

			data = iterateRecursiveReplaceHtmlSpecialChars(data);

			actionOnSuccess(data);				
			},
		error: function(data) {
			actionOnSuccess(false);
			console.log(data);
			remove_spinner();	
			}
		});			
	}	



/* · 
   · 
   ·   Post new link color
   ·
   ·   @param newLinkColor: the new link color in hex without #
   ·   
   · · · · · · · · · · · · · */ 

function postNewLinkColor(newLinkColor) {
	$.ajax({ url: window.apiRoot + 'qvitter/update_link_color.json?t=' + timeNow(), 
		type: "POST", 
		data: { 
			linkcolor: newLinkColor
			},
		dataType:"json",
		error: function(data){ console.log(data); },
		success: function(data) { 
			window.userLinkColor = newLinkColor;
			}
		});	
	}
	
	
	
/* · 
   · 
   ·   Post new background color
   ·
   ·   @param newBackgroundColor: the new background color in hex without #
   ·   
   · · · · · · · · · · · · · */ 

function postNewBackgroundColor(newBackgroundColor) {
	$.ajax({ url: window.apiRoot + 'qvitter/update_background_color.json?t=' + timeNow(), 
		type: "POST", 
		data: { 
			backgroundcolor: newBackgroundColor
			},
		dataType:"json",
		error: function(data){ console.log(data); },
		success: function(data) { 
			window.userBackgroundColor = newBackgroundColor;
	  		$('body').css('background-image','url(""'); // unset background image			
			window.userBackgroundImage = '';	  		
			}
		});	
	}
		
	

/* · 
   · 
   ·   Post follow or unfollow user request
   ·
   ·   @param followOrUnfollow: either 'follow' or 'unfollow'
   ·   @param user_id: the user id of the user we want to follow
   ·   @param actionOnSuccess: callback function, false on error, data on success
   ·   
   · · · · · · · · · · · · · */ 
   
function APIFollowOrUnfollowUser(followOrUnfollow,user_id,this_element,actionOnSuccess) {
	
	if(followOrUnfollow == 'follow') {
		var postRequest = 'friendships/create.json?t=' + timeNow();
		}
	else if (followOrUnfollow == 'unfollow') {
		var postRequest = 'friendships/destroy.json?t=' + timeNow();
		}
	
	$.ajax({ url: window.apiRoot + postRequest, 
		type: "POST", 
		data: { 
			user_id: user_id
			},
		dataType:"json",
		error: function(data){ actionOnSuccess(false,this_element); console.log(data); },
		success: function(data) { actionOnSuccess(data,this_element);}
		});	
	}		
	
	
/* · 
   · 
   ·   Post join or leave group request
   ·
   ·   @param joinOrLeave: either 'join' or 'leave'
   ·   @param group_id: group's id
   ·   @param actionOnSuccess: callback function, false on error, data on success
   ·   
   · · · · · · · · · · · · · */ 	
	
function APIJoinOrLeaveGroup(joinOrLeave,group_id,this_element,actionOnSuccess) {
	$.ajax({ url: window.apiRoot + 'statusnet/groups/' + joinOrLeave + '.json?t=' + timeNow(), 
		type: "POST", 
		data: { 
			id: group_id
			},
		dataType:"json",
		error: function(data){ actionOnSuccess(false,this_element); console.log(data); },
		success: function(data) { actionOnSuccess(data,this_element);}
		});	
	}		
		

/* · 
   · 
   ·   Post queet
   ·
   ·   @param queetText_txt: the text to post
   ·   @param in_reply_to_status_id: the local id for the queet to reply to
   ·   @param actionOnSuccess: callback function, false on error, data on success
   ·   
   · · · · · · · · · · · · · */ 
   
function postQueetToAPI(queetText_txt, in_reply_to_status_id, actionOnSuccess) {
	$.ajax({ url: window.apiRoot + 'statuses/update.json?t=' + timeNow(), 
		type: "POST", 
		data: { 
			status: queetText_txt,
			source: 'Qvitter',
			in_reply_to_status_id: in_reply_to_status_id
			},
		dataType:"json",
		error: function(data){ actionOnSuccess(false); console.log(data); },
		success: function(data) { actionOnSuccess(data);}
		});	
	}			
	
		
	
	
/* · 
   · 
   ·   Generic POST-action
   ·
   ·   @param action: the api action, e.q. 'statuses/retweet/1.json'
   ·   @param actionOnSuccess: callback function, false on error, data on success
   ·   
   · · · · · · · · · · · · · */ 
   
function postActionToAPI(action, actionOnSuccess) {
	$.ajax({ url: window.apiRoot + action + qOrAmp(action) + 't=' + timeNow(), 
		type: "POST", 
		data: { 
			source: 'Qvitter'
			},
		dataType:"json",
		error: function(data){ actionOnSuccess(false); console.log(data); },
		success: function(data) { 

			data = convertEmptyObjectToEmptyArray(data);		

			actionOnSuccess(data);
			}
		});	
	}	
	
	
/* ·  
   · 
   ·   Delete requeet
   · 
   ·   @param this_stream_item: jQuery object for stream-item
   ·   @param this_action: JQuery object for the requeet-button
   ·   @param my_rq_id: the id for the requeet
   · 
   · · · · · · · · · */

function unRequeet(this_stream_item, this_action, my_rq_id) {
	this_action.children('.with-icn').removeClass('done');
	this_action.find('.with-icn b').html(window.sL.requeetVerb);		
	this_stream_item.removeClass('requeeted');						

	// post unrequeet
	postActionToAPI('statuses/destroy/' + my_rq_id + '.json', function(data) {
		if(data) {
			remove_spinner();
			this_stream_item.removeAttr('data-requeeted-by-me-id');			
			this_stream_item.children('.queet').children('.context').find('.requeet-text').children('a[data-user-id="' + window.myUserID + '"]').remove();
			if(this_stream_item.children('.queet').children('.context').find('.requeet-text').children('a').length<1) {
				this_stream_item.children('.queet').children('.context').remove();
				}
			getFavsAndRequeetsForQueet(this_stream_item, this_stream_item.attr('data-quitter-id'));				
			}
		else {
			remove_spinner();
			this_action.children('.with-icn').addClass('done');
			this_action.find('.with-icn b').html(window.sL.requeetedVerb);		
			this_stream_item.addClass('requeeted');								
			}
		});
	}		
	


/* ·  
   · 
   ·   Gets favs or requeets for a queet from api
   · 
   ·   @param q: stream item object
   ·   @param qid: the queet id
   · 
   · · · · · · · · · */
    
function getFavsAndRequeetsForQueet(q,qid) { 

	// get immediately from localstorage cache
	localStorageObjectCache_GET('favsAndRequeets',qid,function(data){
		if(data) {
			showFavsAndRequeetsInQueet(q, data);					
			}
		});

	$.ajax({ url: window.apiRoot + "qvitter/favs_and_repeats/" + qid + ".json?t=" + timeNow(),
		type: "GET", 
		dataType: 'json', 
		success: function(data) { 
			if(data.favs.length > 0 || data.repeats.length > 0) {

				localStorageObjectCache_STORE('favsAndRequeets',qid, data); // cache response

				if(q.hasClass('expanded') && !q.hasClass('collapsing')) {
					showFavsAndRequeetsInQueet(q,data);
					}						
				}
			else {
				// remove from cache and DOM if all favs and repeats are deleted
				localStorageObjectCache_STORE('favsAndRequeets',qid, false);
				q.children('.queet').find('.stats').remove();
				}
			}, 
		error: function(data) { 
			remove_spinner();
			console.log(data); 
			}
		});  
	}
showFavsAndRequeetsInQueet