diff --git a/public/index.html b/public/index.html index 5742287..b07109c 100644 --- a/public/index.html +++ b/public/index.html @@ -228,13 +228,18 @@ section.posts .post .attachments { margin-top: 16px; - height: 320px; + max-height: 320px; display: flex; align-items: flex-start; max-width: 100%; overflow: auto; } + section.posts .post .attachments img, + section.posts .post .attachments video { + max-height: 320px; + } + section.posts .post .controls { margin: 24px 0 0; padding: 0; diff --git a/src/computersandblues/lodestone/app.cljs b/src/computersandblues/lodestone/app.cljs index 7128011..3561957 100644 --- a/src/computersandblues/lodestone/app.cljs +++ b/src/computersandblues/lodestone/app.cljs @@ -160,8 +160,9 @@ (declare fetch-posts!) (defn- fetch-application-settings [] - (->> (db/open-cursor! ::db/application ::db/all) - (db/first-result (map #(js->clj % :keywordize-keys true))))) + (let [cursor (db/open-cursor ::db/application ::db/all)] + (. (db/first-result cursor) + (then #(js->clj % :keywordize-keys true))))) (defn setup-application! "Handles Mastodon application setup on the client side" @@ -198,7 +199,7 @@ (.then (fn [application] (when application (swap! state assoc :section :posts) - (promise-all [application (db/count! ::db/posts)])))) + (promise-all [application (db/count ::db/posts)])))) (.then (fn [[application post-count]] (when post-count (if (zero? post-count) @@ -287,29 +288,32 @@ (defn- refresh-displayed-posts! [{:keys [per-page query]}] - (let [; this `xform` is responsible for filtering and building the final list - ; of results by iterating through the posts in the database. + (let [; this `xform` is responsible for filtering and building the list of + ; results that is displayed to the user. it iterates through all stored + ; posts in the database and returns a result that will be rendered + ; by the `post` component below. xform (comp (filter (query->matching-fn query)) (take per-page) (map #(js->clj % :keywordize-keys true))) + posts-cursor (db/open-cursor ::db/posts + ::db/all + {:index ::db/post-created-at + :direction :desc}) refresh-id (now)] (swap! state update-in [:section/posts :loading] conj refresh-id) - (. (promise-all [(db/count! ::db/posts) - (->> (db/open-cursor! ::db/posts ::db/all - {:index ::db/post-created-at - :direction :desc}) - (db/transduce-cursor xform))]) + (. (promise-all [(db/count ::db/posts) + (db/transduce-cursor xform posts-cursor)]) (then (fn [[total displayed-posts]] (swap! state update :section/posts #(-> (assoc % :total total) (assoc :displayed-posts displayed-posts) (update :loading disj refresh-id)))))))) +(def debounced-refresh! (debounce 48 refresh-displayed-posts!)) + ; we use reagent's machinery below to define a callback that runs whenever the ; values change that serve as input to the current search reults. -(def debounced-refresh! (debounce 48 refresh-displayed-posts!)) - (def search-result-inputs (r/reaction (select-keys (:section/posts @state) [:query :per-page :last-update]))) (defonce update-search-results (r/track! (fn [] @@ -349,27 +353,55 @@ (interleave (repeat ", ")) (drop 1))]) +(defn img-attachment [{:keys [attachment preview-url]}] + [:img {:src preview-url + :alt (:description attachment) + :loading "lazy"}]) + +(defn video-attachment [{:keys [attachment remote-url ext]}] + [:video {:controls true} + [:source {:type (str "video/" ext) :src remote-url}] + [:a {:href (:remote_url attachment)} (str "Original video at " (:remote_url attachment))]]) + +(defn gifv-attachment [{:keys [attachment remote-url ext]}] + (let [autoplay (r/atom false) + toggle-autoplay #(swap! autoplay not)] + (fn [] + [:video {:loop true :autoplay @autoplay :muted true :on-pointer-enter toggle-autoplay} + [:source {:type (str "video/" ext) :src remote-url}] + [:a {:href (:remote_url attachment)} (str "Original video at " (:remote_url attachment))]]))) + (defn attachment [{:keys [attachment]}] (let [preview-url (or (:preview_remote_url attachment) (:preview_url attachment)) remote-url (or (:remote_url attachment) (:url attachment)) - ext (last (str/split remote-url #"\."))] + ext (last (str/split remote-url #"\.")) + props {:attachment attachment :preview-url preview-url :remote-url remote-url :ext ext}] (case (:type attachment) - "image" [:img {:src preview-url - :srcset (str preview-url ", " remote-url) - :alt (:description attachment) - :lazy "lazy"}] - "video" [:video {:controls true} - [:source {:type (str "video/" ext) :src remote-url}] - [:a {:href (:remote_url attachment)} (str "Original video at " (:remote_url attachment))]] - "gifv" (let [autoplay (r/atom false) - toggle-autoplay #(swap! autoplay not)] - (fn [] - [:video {:loop true :autoplay @autoplay :muted true :on-pointer-enter toggle-autoplay} - [:source {:type (str "video/" ext) :src remote-url}] - [:a {:href (:remote_url attachment)} (str "Original video at " (:remote_url attachment))]])) + "image" [img-attachment props] + "video" [video-attachment props] + "gifv" [gifv-attachment props] [:div [:strong "Unsupported attachment"] [debug attachment]]))) + +(comment + ; query current results + (-> @state :section/posts :displayed-posts) + + ; run and time a query on the database + (do + (js/console.log :start (.toISOString (js/Date.))) + (let [xform (comp (mapcat (j/get :tags)) + #_(filter #(= "typescript" (j/get % :name))) + (take 10)) + posts-cursor (db/open-cursor ::db/posts ::db/all)] + (.. (db/transduce-cursor xform conj! (transient #{}) posts-cursor) + (then persistent!) + (then (fn [result] + (js/console.log :end (.toISOString (js/Date.))) + (js/console.log :accts result)))))) + ) + (defn post [{:keys [post]}] ; TODO: handle (:sensitive post) [:article.post @@ -432,11 +464,11 @@ "Returns a promise which resolves to the smallest or largest internal post id. This is useful to continue interrupted paginated requests." [max-or-min] - (->> (db/open-cursor! ::db/posts ::db/all {:index ::db/post-internal-id - :direction (if (= max-or-min :min) :asc :desc)}) - (db/first-result (keep (j/get :internal_id))))) + (let [posts-cursor (db/open-cursor ::db/posts ::db/all {:index ::db/post-internal-id + :direction (if (= max-or-min :min) :asc :desc)})] + (db/first-result (keep (j/get :internal_id)) posts-cursor))) -(defn fetch-more-posts! [e] +(defn- fetch-more-posts! [e] (.preventDefault e) (. (promise-all [(fetch-application-settings) (internal-post-id :min) (internal-post-id :max)]) (then (fn [[application min-id max-id]] @@ -507,7 +539,7 @@ [:li "If you want to search verbatim for a phrase, \"quote it like this\""] [:li "Lodestone tries to turn words into regular expressions. " [:code "fossi.*ergy"] " will match \"fossile energy\"." [:code "bo?ar"] " will match both boar and bar."]]]) -;; the component tying it all toger +;; the component tying it all together (defn app [] (let [section (:section @state) @@ -535,11 +567,11 @@ (defn- convert-internal-ids! [] ; TODO figure out when we can remove this again - (. (->> (db/open-cursor! ::db/posts ::db/all) - (db/transduce-cursor (filter (comp string? (j/get :internal_id))))) - (then (fn [rows] - (doseq [row rows] - (db/put! ::db/posts (j/update! row :internal_id parse-long))))))) + (let [cursor (db/open-cursor ::db/posts ::db/all) + result (db/transduce-cursor (filter (comp string? (j/get :internal_id))) cursor)] + (.then result (fn [rows] + (doseq [row rows] + (db/put! ::db/posts (j/update! row :internal_id parse-long))))))) ;; go go go diff --git a/src/computersandblues/lodestone/database.cljs b/src/computersandblues/lodestone/database.cljs index 05fcc60..7f2beba 100644 --- a/src/computersandblues/lodestone/database.cljs +++ b/src/computersandblues/lodestone/database.cljs @@ -1,4 +1,5 @@ -(ns computersandblues.lodestone.database) +(ns computersandblues.lodestone.database + (:refer-clojure :exclude [count get])) (defonce +db+ (atom nil)) @@ -72,15 +73,15 @@ request (.put store (clj->js object))] (promisify request)))) -(defn get! - ([store-id k] (get! @+db+ store-id k)) +(defn get + ([store-id k] (get @+db+ store-id k)) ([db store-id k] (let [store (open-store db store-id "readonly") request (.get store k)] (promisify request)))) -(defn get-all! - ([store-id key-range] (get-all! @+db+ store-id key-range)) +(defn get-all + ([store-id key-range] (get-all @+db+ store-id key-range)) ([db store-id key-range] (let [store (open-store db store-id "readonly") request (.getAll store key-range)] @@ -94,23 +95,23 @@ (promisify request)))) (defn delete! - ([store-id k] (get! @+db+ store-id k)) + ([store-id k] (get @+db+ store-id k)) ([db store-id k] (let [store (open-store db store-id "readwrite") request (.delete store k)] (promisify request)))) -(defn count! - ([store-id] (count! @+db+ store-id)) +(defn count + ([store-id] (count @+db+ store-id)) ([db store-id] (let [store (open-store db store-id "readonly") request (.count store)] (promisify request)))) -(defn open-cursor! - ([store-id key-range] (open-cursor! @+db+ store-id key-range {:direction :asc})) - ([store-id key-range opts] (open-cursor! @+db+ store-id key-range opts)) +(defn open-cursor + ([store-id key-range] (open-cursor @+db+ store-id key-range {:direction :asc})) + ([store-id key-range opts] (open-cursor @+db+ store-id key-range opts)) ([db store-id key-range {:keys [direction index]}] (let [store (open-store db store-id "readonly") key-range (if (= key-range ::all) @@ -160,14 +161,21 @@ (.continue cursor)))) (resolve @result))))))))) -(defn first-result [xform cursor-req] - (transduce-cursor (comp xform (take 1)) (fn [_ x] x) cursor-req)) +(defn first-result + "Given a cursor, will return a promise that resolves to the first result. + + Optionally takes an `xform` that can be used to filter or transform values + returned by the cursor." + ([cursor-req] + (first-result (map identity) cursor-req)) + ([xform cursor-req] + (transduce-cursor (comp xform (take 1)) (fn [_ x] x) nil cursor-req))) (comment (let [re (js/RegExp. "user" "i")] (do (print "starting…" (js/Date.)) - (-> (open-cursor! ::posts ::all) + (-> (open-cursor ::posts ::all) (transduce-cursor (comp (filter #(re-find re (.-content %))) (take 50) (map #(js->clj % :keywordize-keys true))))