publisher/src/net/deertopia/publisher/elisp.clj

@@ -1,8 +1,9 @@
 (ns net.deertopia.publisher.elisp
-  (:require [instaparse.core :as ip]
-            [clojure.java.io :as io]
-            [clojure.core.match :refer [match]]
-            [clojure.spec.alpha :as s]))
+  (:require
+   [clojure.core.match :refer [match]]
+   [clojure.java.io :as io]
+   [clojure.spec.alpha :as s]
+   [instaparse.core :as ip]))
 
 (ip/defparser read*
   (io/resource "net/deertopia/publisher/elisp/grammar"))
@@ -83,19 +84,30 @@
     _ false))
 
 (defn read-alist [s]
-  (match (->> (read* s)
-              (ip/transform (merge transforms
-                                   {:symbol (fn [s] (symbol s))
-                                    :string (fn [s] s)}))
-              first)
-    [:cons* pairs] (->> (for [pair pairs]
-                          (let [x (car pair)
-                                y (cdr pair)]
-                            {x y}))
-                        (apply merge))
-    _ nil))
+  (let [r (->> s read*
+               (ip/transform
+                (merge transforms
+                       {:symbol (fn [s] (symbol s))
+                        :string (fn [s] s)}))
+               first)]
+    (match r
+      [:cons* pairs] (->> (for [pair pairs]
+                            (let [x (car pair)
+                                  y (cdr pair)]
+                              {x y}))
+                          (apply merge))
+      _ nil)))
+
+(defn read-string [s])
 
 (comment
   (do (ip/defparser parse* (io/resource "elisp-grammar"))
       (parse "#(\"blah\" 0 1 (doge))")
       (read-alist "((x . y))")))
+
+(defn print-elisp-string [s]
+  (str \" s \"))
+
+(defn read-elisp-string [s]
+  (let [[_ in] (re-matches #"\"(.*)\"" s)]
+    in))

publisher/src/net/deertopia/publisher/roam.clj

@@ -1,10 +1,11 @@
 (ns net.deertopia.publisher.roam
-  (:require [next.jdbc :as sql]
+  (:require [babashka.fs :as fs]
             [net.deertopia.publisher.config :as cfg]
+            [net.deertopia.publisher.elisp :as elisp]
             [net.deertopia.publisher.slug :as slug]
-            [babashka.fs :as fs]
-            [net.deertopia.publisher.elisp :as elisp])
+            [next.jdbc :as sql])
   (:import (java.util UUID)))
+
 
 ;;; Global database
 
@@ -21,13 +22,6 @@
 
 ;;; Elisp sexp (de)serialisation
 
-(defn- read-elisp-string [s]
-  (let [[_ in] (re-matches #"\"(.*)\"" s)]
-    in))
-
-(defn- print-elisp-string [s]
-  (str \" s \"))
-
 (defn id [node]
   (-> node :id))
 
@@ -61,8 +55,8 @@
      (when-some [r (sql/execute-one!
                        ds
                        ["select file from nodes where id = ?"
-                        (print-elisp-string (:id node))])]
-       (-> r :nodes/file read-elisp-string)))))
+                        (elisp/print-elisp-string (:id node))])]
+       (-> r :nodes/file elisp/read-elisp-string)))))
 
 (defprotocol GetNode
   (get-node [this]
@@ -86,7 +80,7 @@
    node :title
    #(do (println "fetch")
         (sql/execute-one! ds ["select title from nodes where id = ?"
-                              (print-elisp-string (:id %))]))))
+                              (elisp/print-elisp-string (:id %))]))))
 
 
 ;;; Node operations
@@ -109,7 +103,7 @@
          ds ["select file from nodes where id = ?"
              (print-id %)])
         :nodes/file
-        read-elisp-string)))
+        elisp/read-elisp-string)))
 
 (defn properties [node]
   (fetch-with-cache
@@ -135,25 +129,20 @@
                            inner join nodes
                            on nodes.id = links.source
                            where links.dest = ?"
-                          (print-elisp-string (:id node))])
-        :let [id (read-elisp-string id)]
+                          (elisp/print-elisp-string (:id node))])
+        :let [id (elisp/read-elisp-string id)]
         :when (graph-visible? (get-node (UUID/fromString id)))]
     {:id id
-     :title (read-elisp-string title)}))
-
-(defn parent-node [node]
-  )
+     :title (elisp/read-elisp-string title)}))
 
 
 ;;; Graph support
 
-#_
-(defn- make-node [node]
-  {:id (-> node :nodes/id read-elisp-string)
-   :title (-> node :nodes/title read-elisp-string)})
-
 (defn- read-string-field [n field]
-  (-> n (get field) read-elisp-string))
+  (-> n (get field) elisp/read-elisp-string))
+
+(defn- uuid-graph-visible? [uuid]
+  (-> uuid parse-uuid get-node graph-visible?))
 
 (defn get-graph []
   (let [nodes (sql/execute! ds ["select id, title from nodes"])
@@ -165,13 +154,13 @@
                  where links.type = '\"id\"'"])]
     {:nodes (for [n nodes
                   :let [id (read-string-field n :nodes/id)]
-                  :when (graph-visible? (get-node (UUID/fromString id)))]
+                  :when (uuid-graph-visible? id)]
               {:id id
                :title (read-string-field n :nodes/title)})
      :links (for [l links
                   :let [source (read-string-field l :nodes/source)
                         target (read-string-field l :nodes/target)]
-                  :when (and (graph-visible? (get-node (UUID/fromString source)))
-                             (graph-visible? (get-node (UUID/fromString target))))]
+                  :when (and (-> source uuid-graph-visible?)
+                             (-> target uuid-graph-visible?))]
               {:source source
                :target target})}))