Moved followed hashtag check to its own function.

activitypub.c

@@ -587,6 +587,40 @@ int is_msg_from_private_user(const xs_dict *msg)
 }
 
 
+int followed_hashtag_check(snac *user, const xs_dict *msg)
+/* returns true if this message contains a hashtag followed by me */
+{
+    const xs_list *fw_tags = xs_dict_get(user->config, "followed_hashtags");
+
+    if (xs_is_list(fw_tags)) {
+        const xs_list *tags_in_msg = xs_dict_get(msg, "tag");
+
+        if (xs_is_list(tags_in_msg)) {
+            const xs_dict *te;
+
+            /* iterate the tags in the message */
+            xs_list_foreach(tags_in_msg, te) {
+                if (xs_is_dict(te)) {
+                    const char *type = xs_dict_get(te, "type");
+                    const char *name = xs_dict_get(te, "name");
+
+                    if (xs_is_string(type) && xs_is_string(name)) {
+                        if (strcmp(type, "Hashtag") == 0) {
+                            xs *lc_name = xs_utf8_to_lower(name);
+
+                            if (xs_list_in(fw_tags, lc_name) != -1)
+                                return 1;
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    return 0;
+}
+
+
 int is_msg_for_me(snac *snac, const xs_dict *c_msg)
 /* checks if this message is for me */
 {
@@ -708,30 +742,8 @@ int is_msg_for_me(snac *snac, const xs_dict *c_msg)
     }
 
     /* does this message contain a tag we are following? */
-    const xs_list *fw_tags = xs_dict_get(snac->config, "followed_hashtags");
-    if (pub_msg && xs_type(fw_tags) == XSTYPE_LIST) {
-        const xs_list *tags_in_msg = xs_dict_get(msg, "tag");
-        if (xs_type(tags_in_msg) == XSTYPE_LIST) {
-            const xs_dict *te;
-
-            /* iterate the tags in the message */
-            xs_list_foreach(tags_in_msg, te) {
-                if (xs_type(te) == XSTYPE_DICT) {
-                    const char *type = xs_dict_get(te, "type");
-                    const char *name = xs_dict_get(te, "name");
-
-                    if (xs_type(type) == XSTYPE_STRING && xs_type(name) == XSTYPE_STRING) {
-                        if (strcmp(type, "Hashtag") == 0) {
-                            xs *lc_name = xs_utf8_to_lower(name);
-
-                            if (xs_list_in(fw_tags, lc_name) != -1)
-                                return 7;
-                        }
-                    }
-                }
-            }
-        }
-    }
+    if (pub_msg && followed_hashtag_check(snac, msg))
+        return 7;
 
     return 0;
 }