Adding lightly tested calendar home resolver

3 files changed, 127 insertions, 1 deletions

diff --git a/lib/caldav/request/calendar_details.js b/lib/caldav/request/calendar_details.js
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/lib/caldav/request/calendar_details.js
diff --git a/lib/caldav/request/calendar_home.js b/lib/caldav/request/calendar_home.js
new file mode 100644
index 0000000..6401d8c
--- /dev/null
+++ b/lib/caldav/request/calendar_home.js
@@ -0,0 +1,125 @@
+(function(module, ns) {
+
+  var Propfind = ns.require('request/propfind');
+
+
+  /**
+   * Creates a propfind request.
+   *
+   * @param {Caldav.Connection} connection connection details.
+   * @param {Object} options options for propfind.
+   */
+  function CalendarHome(connection, options) {
+    var key;
+
+    if (typeof(options) === 'undefined') {
+      options = {};
+    }
+
+    for (key in options) {
+      if (options.hasOwnProperty(key)) {
+        this[key] = options[key];
+      }
+    }
+
+    this.connection = connection;
+  }
+
+  function findProperty(name, data, single) {
+    var url, results = [], prop;
+
+    for (url in data) {
+      if (data.hasOwnProperty(url)) {
+        if (name in data[url]) {
+          prop = data[url][name];
+          if (prop.status === '200') {
+            results.push(data[url][name].value);
+          }
+        }
+      }
+    }
+
+    if (!results.length)
+      return false;
+
+    if (typeof(single) !== 'undefined' && single) {
+      return results[0];
+    }
+
+    return results;
+  }
+
+  CalendarHome.prototype = {
+
+    _findPrincipal: function(url, callback) {
+      var find = new Propfind(this.connection, {
+        url: url
+      });
+
+      find.prop('current-user-principal');
+      find.prop('principal-URL');
+
+      find.send(function(err, data) {
+        var principal;
+
+        if (err) {
+          return callback(err);
+        }
+
+        principal = findProperty('current-user-principal', data, true);
+
+        if (!principal) {
+          principal = findProperty('principal-URL', data, true);
+        }
+
+        callback(null, principal);
+      });
+    },
+
+    _findCalendarHome: function(url, callback) {
+      var find = new Propfind(this.connection, {
+        url: url
+      });
+
+      find.prop(['caldav', 'calendar-home-set']);
+
+      find.send(function(err, data) {
+        if (err) {
+          return callback(err);
+        }
+
+        callback(null, findProperty('calendar-home-set', data, true));
+      });
+    },
+
+    /**
+     * Starts request to find calendar home url
+     *
+     * @param {Function} callback node style where second argument
+     *                            are the details of the home calendar.
+     */
+    send: function(callback) {
+      var self = this;
+      // find principal
+      self._findPrincipal(self.url, function(err, url) {
+
+        if (!url) {
+          return callback(new Error('Cannot resolve principal url'));
+        }
+
+        self._findCalendarHome(url, function(err, details) {
+          callback(err, details);
+        });
+      });
+    }
+
+  };
+
+  module.exports = CalendarHome;
+
+}.apply(
+  this,
+  (this.Caldav) ?
+    [Caldav('request/calendar_home'), Caldav] :
+    [module, require('../caldav')]
+));
diff --git a/lib/caldav/request/index.js b/lib/caldav/request/index.js
index fc49491..6790fd1 100644
--- a/lib/caldav/request/index.js
+++ b/lib/caldav/request/index.js
@@ -3,7 +3,8 @@
   module.exports = {
     Abstract: ns.require('request/abstract'),
     CalendarQuery: ns.require('request/calendar_query'),
-    Propfind: ns.require('request/propfind')
+    Propfind: ns.require('request/propfind'),
+    CalendarHome: ns.require('request/calendar_home')
   };
 
 }.apply(