Add examples and code to download images

src/clj/daisyproducer2/documents/alfresco.clj

@@ -85,6 +85,37 @@
     (:body (client/get (str url "/alfresco/versions/1/nodes/" node-id "/versions/" version-id "/content")
                       {:basic-auth [user password]}))))
 
+(defn- images
+  "Return a list of image node-ids for a given book `node-id`"
+  [node-id]
+  (let [{:keys [url user password]} (env :alfresco)]
+    (-> (str url "/alfresco/versions/1/nodes/" node-id "/children")
+        (client/get
+         {:as :json
+          :basic-auth [user password]
+          :query-params {"relativePath" "Bilder"
+                         "where" "(nodeType='sbs:graphic')"
+                         ;; ignore the fact that this is paginated content. Just fetch
+                         ;; lots of items so that we most likely get them all
+                         "maxItems" 5000
+                         "fields" "id,content"}})
+        (get-in [:body :list :entries])
+        (->>
+         (filter (fn [item] (= (get-in item [:entry :content :mimeType]) "image/jpeg")))
+         (map #(get-in % [:entry :id]))))))
+
+(defn- image-content [ids]
+  (let [{:keys [url user password]} (env :alfresco)]
+    (client/post (str url "/alfresco/versions/1/downloads/")
+                 {:as :json
+                  :basic-auth [user password]
+                  :body (json/generate-string {:nodeIds (apply vector ids)})})
+    ;; grab the id of the download from the response
+    ;; wait until the download is ready, i.e. the response contains :status "DONE"
+    ;; then fetch the content
+    ;; all of this probably asynchronously
+    ))
+
 (defn content-for-product [product-id]
   (let [daisy-file-node (-> product-id product parent daisy-file)
         version (latest-version daisy-file-node)]

test/alfresco.http

@@ -105,7 +105,7 @@ Authorization: :auth
 
 {
   "query": {
-    "query": "select * from sbs:buch where sbs:pISBN = ' 978-3-03815-104-3'",
+    "query": "select * from sbs:buch where sbs:pISBN = '978-3-03815-104-3'",
     "language": "cmis"
   }
 }
@@ -126,10 +126,23 @@ Authorization: :auth
 GET https://pam04.sbszh.ch/alfresco/api/-default-/public/alfresco/versions/1/nodes/04517227-05ce-4051-a384-08a89a7527c0/children?where=(nodeType='cm:folder')&fields=name,id,nodeType
 Authorization: :auth
 
-# get the image folder
-GET https://pam04.sbszh.ch/alfresco/api/-default-/public/alfresco/versions/1/nodes/04517227-05ce-4051-a384-08a89a7527c0/children?where=(name=Bilder)&fields=name,id,nodeType
+# get the image folder using the relativePath parameter
+GET https://pam04.sbszh.ch/alfresco/api/-default-/public/alfresco/versions/1/nodes/04517227-05ce-4051-a384-08a89a7527c0?relativePath=Bilder&fields=name,id,nodeType
 Authorization: :auth
 
-# get all children of the image folder
-GET https://pam04.sbszh.ch/alfresco/api/-default-/public/alfresco/versions/1/nodes/e02bd3cb-4be0-4d83-9787-cedbcdc86e39/children?fields=name,id,nodeType,content
+# get all image children of the image folder using the relativePath parameter
+GET https://pam04.sbszh.ch/alfresco/api/-default-/public/alfresco/versions/1/nodes/04517227-05ce-4051-a384-08a89a7527c0/children?relativePath=Bilder&where=(nodeType='sbs:graphic')&fields=name,id,nodeType
 Authorization: :auth
+
+GET https://pam04.sbszh.ch/alfresco/api/-default-/public/alfresco/versions/1/nodes/e02bd3cb-4be0-4d83-9787-cedbcdc86e39/children?where=(nodeType='sbs:graphic')&fields=name,id,nodeType,content
+Authorization: :auth
+
+# get the status of the download
+GET https://pam04.sbszh.ch/alfresco/api/-default-/public/alfresco/versions/1/downloads/6cf521f7-0632-4022-a5da-ebfa58554a87
+Authorization: :auth
+
+# get the content of the download
+GET https://pam04.sbszh.ch/alfresco/api/-default-/public/alfresco/versions/1/nodes/6cf521f7-0632-4022-a5da-ebfa58554a87/content
+Authorization: :auth
+
+# see https://docs.alfresco.com/content-services/6.1/develop/rest-api-guide/folders-files/#downloadfile