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TiddlyWiki5/plugins/tiddlywiki/multiwikiserver/modules/routes/handlers/get-recipe-tiddler.js
Jeremy Ruston ae8ef305fa Get rid of those annoying missing image icons
By adding a `?fallback=url` parameter to tiddler requests
2024-03-20 15:40:38 +00:00

73 lines
2.2 KiB
JavaScript

/*\
title: $:/plugins/tiddlywiki/multiwikiserver/routes/handlers/get-recipe-tiddler.js
type: application/javascript
module-type: mws-route
GET /recipes/:recipe_name/tiddler/:title
Parameters:
fallback=<url> // Optional redirect if the tiddler is not found
\*/
(function() {
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
exports.method = "GET";
exports.path = /^\/recipes\/([^\/]+)\/tiddlers\/(.+)$/;
exports.handler = function(request,response,state) {
// Get the parameters
var recipe_name = $tw.utils.decodeURIComponentSafe(state.params[0]),
title = $tw.utils.decodeURIComponentSafe(state.params[1]),
tiddlerInfo = $tw.mws.store.getRecipeTiddler(title,recipe_name);
if(tiddlerInfo && tiddlerInfo.tiddler) {
// If application/json is requested then this is an API request, and gets the response in JSON
if(request.headers.accept && request.headers.accept.indexOf("application/json") !== -1) {
var tiddlerFields = {},
knownFields = [
"bag", "created", "creator", "modified", "modifier", "permissions", "recipe", "revision", "tags", "text", "title", "type", "uri"
];
$tw.utils.each(tiddlerInfo.tiddler,function(value,name) {
if(knownFields.indexOf(name) !== -1) {
tiddlerFields[name] = value;
} else {
tiddlerFields.fields = tiddlerFields.fields || {};
tiddlerFields.fields[name] = value;
}
});
tiddlerFields.type = tiddlerFields.type || "text/vnd.tiddlywiki";
state.sendResponse(200,{"Content-Type": "application/json"},JSON.stringify(tiddlerFields),"utf8");
return;
} else {
// This is not a JSON API request, we should return the raw tiddler content
var type = tiddlerInfo.tiddler.type || "text/plain";
response.writeHead(200, "OK",{
"Content-Type": type
});
response.write(tiddlerInfo.tiddler.text || "",($tw.config.contentTypeInfo[type] ||{encoding: "utf8"}).encoding);
response.end();;
return;
}
} else {
// Redirect to fallback URL if tiddler not found
if(state.queryParameters.fallback) {
response.writeHead(302, "OK",{
"Location": state.queryParameters.fallback
});
response.end();
return;
} else {
response.writeHead(404);
response.end();
return;
}
}
};
}());