From ee3ad0a6e91d727b12a383d84bb0ce17bcb681c4 Mon Sep 17 00:00:00 2001
From: Felisp <rspointer@post.cz>
Date: Fri, 13 Sep 2024 21:18:23 +0200
Subject: [PATCH] Initial filter implementation attempt

---
 src/rss_thread_watch/feed_generator.clj | 51 ++++++++++++++++++++++---
 1 file changed, 45 insertions(+), 6 deletions(-)

diff --git a/src/rss_thread_watch/feed_generator.clj b/src/rss_thread_watch/feed_generator.clj
index 6f34a62..89aeb3f 100644
--- a/src/rss_thread_watch/feed_generator.clj
+++ b/src/rss_thread_watch/feed_generator.clj
@@ -20,7 +20,8 @@
             [clojure.string :as s]
             [rss-thread-watch.watcher :as watcher]
             [rss-thread-watch.utils :as ut]
-            [rss-thread-watch.config :as conf])
+            [rss-thread-watch.config :as conf]
+            [rss-thread-watch.filters :as f])
   (:gen-class))
 
 (def boards-enabled-cache
@@ -56,12 +57,48 @@
                               (:last-modified thread)
                               (:chod thread))))
 
+(defn make-filters
+  "Creates map of functions and filters from query string"
+  ;; In future predicates could return matched parts of string instead of
+  ;; t/nil values which could be used for coloring of results
+  [query-map]
+  (let [filtering-params '("q" "Q")   ;Later add "r" for regex
+        filter-map (select-keys query-map filtering-params)]
+    (ut/fkmap (fn [k v]
+                {(case k
+                   ;; regex filter here
+                   "q" f/case-insensitive-filter
+                   "Q" f/case-sensitive-filter) v})
+              filter-map)))
+
+
+(defn x [cache filters]
+  ;;must return fitlered cache
+  ;; {fun [key dfe dw kwd"]}
+  (filter
+   (fn [thread]
+     ;; run every function for each thread
+     (let [title (get thread :title)]
+       (some (fn [filter]
+               (let [queries (get filters filter)]
+                 (some (fn [q]
+                         (filter title queries))
+                       queries)
+                 ;; some again?
+                 ;; try some-map?
+                 ))
+             (keys filters)))
+     ;;RESUME
+     ) cache
+  ))
+
+
+
 (defn filter-chod-posts
   "Return list of all threads with equal or higher ChoD than requested
-
+  ;;resume
   READS FROM GLOBALS: watcher.time-of-cache"
   [query-vec chod-treshold repeat? board-cache]
-
   (let [{time-of-generation :time
          cache :data} board-cache
         guid-fn (case repeat?
@@ -72,6 +109,7 @@
                                           cache))
         ;; So we don't have to search thru everything we have cached
         needed-cache-part (subvec cache cache-start-index)
+        ;; Here we gonna run fmap but not really
         actuall-matches (keep (fn [t]
                                 (let [title (:title t)]
                                   ;; Todo: Man, wouldn't it be cool to know which querry matched the thread?
@@ -130,10 +168,11 @@
               query :query-string
               scheme :scheme
               server-name :server-name} rqst
-             qrs (prms "q")
+             filters (make-filters prms)
+             ;; qrs (prms "q")
              self-uri (str (s/replace-first scheme ":" "")
                            "://" server-name uri "?" query)
-             queries (if (vector? qrs) qrs [qrs]) ; to always return vector
+             ;; queries (if (vector? qrs) qrs [qrs]) ; to always return vector
              real-chod (if-let [ch (or (and (vector? chod)
                                             (first chod))
                                        chod)]
@@ -167,7 +206,7 @@
          (when-not (prms "q")
            (throw (ex-info "400" {:status 400
                                   :header {"Content-Type" "text/plain"}
-                                  :body (str "400 You MUST specify query with one OR more'q=searchTerm' url parameter(s)\n\n\n"
+                                  :body (str "400 You MUST specify query with one OR more'q=searchTerm' (or 'Q=SeARChteRm' for case sensitive) url parameter(s)\n\n\n"
                                              "Exmple: '" served-filename "?q=pony&q=IWTCIRD' will show in your feed all threads with 'pony' or 'IWTCIRD'"
                                              " in their title that are about to die.")})))
          ;; Whether cache has been generated yet