Merge pull request #2418 from ether/etherpad-export-and-import

Full Pad portability (Export/Import)

src/node/utils/ExportEtherpad.js

@@ -0,0 +1,68 @@
+/**
+ * 2014 John McLear (Etherpad Foundation / McLear Ltd)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS-IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+var async = require("async");
+var db = require("../db/DB").db;
+var ERR = require("async-stacktrace");
+
+exports.getPadRaw = function(padId, callback){
+  async.waterfall([
+  function(cb){
+
+    // Get the Pad available content keys
+    db.findKeys("pad:"+padId+"*", null, function(err,records){
+      if(!err){
+        cb(err, records);
+      }
+    })
+  },
+  function(records, cb){
+    var data = {};
+
+    async.forEachSeries(Object.keys(records), function(key, r){
+
+      // For each piece of info about a pad.
+      db.get(records[key], function(err, entry){
+        data[records[key]] = entry;
+
+        // Get the Pad Authors
+        if(entry.pool && entry.pool.numToAttrib){
+          var authors = entry.pool.numToAttrib;
+          async.forEachSeries(Object.keys(authors), function(k, c){
+            if(authors[k][0] === "author"){
+              var authorId = authors[k][1];
+
+              // Get the author info
+              db.get("globalAuthor:"+authorId, function(e, authorEntry){
+                if(!e) data["globalAuthor:"+authorId] = authorEntry;
+              });
+
+            }
+            // console.log("authorsK", authors[k]);
+            c(null);
+          });
+        }
+        r(null); // callback;
+      });
+    }, function(err){ 
+      cb(err, data);
+    })
+  }
+  ], function(err, data){
+    callback(null, data);
+  });
+}

src/node/utils/ImportEtherpad.js

@@ -0,0 +1,55 @@
+/**
+ * 2014 John McLear (Etherpad Foundation / McLear Ltd)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS-IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var log4js = require('log4js');
+var async = require("async");
+var db = require("../db/DB").db;
+
+exports.setPadRaw = function(padId, records, callback){
+  records = JSON.parse(records);
+
+  async.eachSeries(Object.keys(records), function(key, cb){
+    var value = records[key]
+
+    // we know its an author
+    if(value.padIDs){
+      // rewrite author pad ids
+      value.padIDs[padId] = 1;
+      var newKey = key;
+
+    }else{
+      // we can split it to look to see if its pad data
+      var oldPadId = key.split(":");
+
+      // we know its pad data..
+      if(oldPadId[0] === "pad"){
+
+        // so set the new pad id for the author
+        oldPadId[1] = padId;
+        
+        // and create the value
+        var newKey = oldPadId.join(":"); // create the new key
+      }
+
+    }
+    // Write the value to the server
+    db.set(newKey, value);
+
+    cb();
+  }, function(){
+    callback(null, true);
+  });
+}