util.pubsub: Add item-published event
[prosody.git] / util / pubsub.lua
index 97611d00fecc41e1894d40e71d448bc0efefbac2..8ff458e711f45f9700aaf49c8e332523bd2bc6ea 100644 (file)
@@ -1,3 +1,5 @@
+local events = require "util.events";
+
 module("pubsub", package.seeall);
 
 local service = {};
@@ -16,6 +18,7 @@ function new(config)
                affiliations = {};
                subscriptions = {};
                nodes = {};
+               events = events.new();
        }, service_mt);
 end
 
@@ -69,14 +72,14 @@ function service:set_affiliation(node, actor, jid, affiliation)
                return false, "item-not-found";
        end
        node_obj.affiliations[jid] = affiliation;
-       local _, jid_sub = self:get_subscription(node, nil, jid);
+       local _, jid_sub = self:get_subscription(node, true, jid);
        if not jid_sub and not self:may(node, jid, "be_unsubscribed") then
-               local ok, err = self:add_subscription(node, nil, jid);
+               local ok, err = self:add_subscription(node, true, jid);
                if not ok then
                        return ok, err;
                end
        elseif jid_sub and not self:may(node, jid, "be_subscribed") then
-               local ok, err = self:add_subscription(node, nil, jid);
+               local ok, err = self:add_subscription(node, true, jid);
                if not ok then
                        return ok, err;
                end
@@ -87,7 +90,7 @@ end
 function service:add_subscription(node, actor, jid, options)
        -- Access checking
        local cap;
-       if jid == actor or self:jids_equal(actor, jid) then
+       if actor == true or jid == actor or self:jids_equal(actor, jid) then
                cap = "subscribe";
        else
                cap = "subscribe_other";
@@ -104,7 +107,7 @@ function service:add_subscription(node, actor, jid, options)
                if not self.config.autocreate_on_subscribe then
                        return false, "item-not-found";
                else
-                       local ok, err = self:create(node, actor);
+                       local ok, err = self:create(node, true);
                        if not ok then
                                return ok, err;
                        end
@@ -123,13 +126,14 @@ function service:add_subscription(node, actor, jid, options)
        else
                self.subscriptions[normal_jid] = { [jid] = { [node] = true } };
        end
+       self.events.fire_event("subscription-added", { node = node, jid = jid, normalized_jid = normal_jid, options = options });
        return true;
 end
 
 function service:remove_subscription(node, actor, jid)
        -- Access checking
        local cap;
-       if jid == actor or self:jids_equal(actor, jid) then
+       if actor == true or jid == actor or self:jids_equal(actor, jid) then
                cap = "unsubscribe";
        else
                cap = "unsubscribe_other";
@@ -163,13 +167,26 @@ function service:remove_subscription(node, actor, jid)
                        self.subscriptions[normal_jid] = nil;
                end
        end
+       self.events.fire_event("subscription-removed", { node = node, jid = jid, normalized_jid = normal_jid });
+       return true;
+end
+
+function service:remove_all_subscriptions(actor, jid)
+       local normal_jid = self.config.normalize_jid(jid);
+       local subs = self.subscriptions[normal_jid]
+       subs = subs and subs[jid];
+       if subs then
+               for node in pairs(subs) do
+                       self:remove_subscription(node, true, jid);
+               end
+       end
        return true;
 end
 
 function service:get_subscription(node, actor, jid)
        -- Access checking
        local cap;
-       if jid == actor or self:jids_equal(actor, jid) then
+       if actor == true or jid == actor or self:jids_equal(actor, jid) then
                cap = "get_subscription";
        else
                cap = "get_subscription_other";
@@ -220,13 +237,14 @@ function service:publish(node, actor, id, item)
                if not self.config.autocreate_on_publish then
                        return false, "item-not-found";
                end
-               local ok, err = self:create(node, actor);
+               local ok, err = self:create(node, true);
                if not ok then
                        return ok, err;
                end
                node_obj = self.nodes[node];
        end
        node_obj.data[id] = item;
+       self.events.fire_event("item-published", { node = node, actor = actor, id = id, item = item });
        self.config.broadcaster(node, node_obj.subscribers, item);
        return true;
 end
@@ -277,7 +295,7 @@ end
 function service:get_subscriptions(node, actor, jid)
        -- Access checking
        local cap;
-       if jid == actor or self:jids_equal(actor, jid) then
+       if actor == true or jid == actor or self:jids_equal(actor, jid) then
                cap = "get_subscriptions";
        else
                cap = "get_subscriptions_other";