switching to node couchapp structure, redoing headers mapreduce

.couchapprc

@@ -0,0 +1 @@
+{}

.gitignore

@@ -0,0 +1 @@
+.DS_Store

app.js

@@ -0,0 +1,102 @@
+var couchapp = require('couchapp')
+  , path = require('path')
+  ;
+
+ddoc =
+  { _id:'_design/removalist'
+  , rewrites :
+    [ {from:"/", to:'pages/index.html'}
+    , {from:"csv", to:'_list/csv/all'}
+    , {from:"headers", to:'_list/urlencode/headers', query: {group: true}}
+    , {from:"/api", to:'../../'}
+    , {from:"/api/*", to:'../../*'}
+    , {from:"/*", to:'*'}
+    ]
+  }
+  ;
+
+ddoc.views = {
+  /**
+   * A simple map function mocking _all, but allows usage with lists etc.
+   */
+  all: {
+    map: function(doc) {
+      emit(doc.id, doc);
+    }
+  },
+  headers: {
+    map: function(doc) {
+      var keys = [];
+      for (var key in doc) {
+        emit(key, 1);        
+      }
+    },
+    reduce: "_sum"
+  }
+};
+
+ddoc.lists = {
+  /**
+   * Generates a CSV from all the rows in the view.
+   *
+   * Takes in a url encoded array of headers as an argument. You can
+   * generate this by querying /_list/urlencode/headers. Pass it in
+   * as the headers get parameter, e.g.: ?headers=%5B%22_id%22%2C%22_rev%5D
+   *
+   * @author Max Ogden
+   */
+  csv: function(head, req) {  
+    if ('headers' in req.query) {
+      var headers = JSON.parse(unescape(req.query.headers))[0];
+      var row, sep = '\n', headerSent = false, startedOutput = false;
+
+      start({"headers":{"Content-Type" : "text/csv; charset=utf-8"}});
+      send('"' + headers.join('","') + '"\n');
+      while (row = getRow()) {
+        for (var header in headers) {
+          if (row.value[headers[header]]) {
+            if (startedOutput) send(",");
+            var value = row.value[headers[header]];
+            if (typeof(value) == "object") value = JSON.stringify(value);
+            if (typeof(value) == "string") value = value.replace(/\"/g, '""');
+            send("\"" + value + "\"");
+          } else {
+            if (startedOutput) send(",");
+          } 
+          startedOutput = true;
+        }
+        startedOutput = false;
+        send('\n');
+      }
+    } else {
+      send("You must pass in the urlencoded headers you wish to build the CSV from. Query /_list/urlencode/headers");
+    }
+  },
+  /**
+   * Returns the urlencoded version of the view's keys 
+   *
+   * @author Max Ogden
+   */
+  urlencode: function(head, req) {
+    start({"headers":{"Content-Type" : "application/json"}});
+    if ('callback' in req.query) send(req.query['callback'] + "(");
+
+    var headers = [];
+    while (row = getRow()) {
+      headers.push(row.key);
+    }
+    send(escape(JSON.stringify(headers)));
+
+    if ('callback' in req.query) send(")");
+  }
+}
+
+ddoc.validate_doc_update = function (newDoc, oldDoc, userCtx) {
+  if (newDoc._deleted === true && userCtx.roles.indexOf('_admin') === -1) {
+    throw "Only admin can delete documents on this database.";
+  }
+};
+
+couchapp.loadAttachments(ddoc, path.join(__dirname, 'attachments'));
+
+module.exports = ddoc;

lists/csv.js

@@ -1,35 +0,0 @@
-/**
- * Generates a CSV from all the rows in the view.
- *
- * Takes in a url encoded array of headers as an argument. You can
- * generate this by querying /_list/urlencode/headers. Pass it in
- * as the headers get parameter, e.g.: ?headers=%5B%22_id%22%2C%22_rev%5D
- *
- * @author Max Ogden
- */
-function(head, req) {  
-  if ('headers' in req.query) {
-    var headers = JSON.parse(unescape(req.query.headers))[0];
-    var row, sep = '\n', headerSent = false, startedOutput = false;
-    
-    start({"headers":{"Content-Type" : "text/csv; charset=utf-8"}});
-    send('"' + headers.join('","') + '"\n');
-    while (row = getRow()) {
-      for (var header in headers) {
-        if (row.value[headers[header]]) {
-          if (startedOutput) send(",");
-          var value = row.value[headers[header]];
-          if (typeof(value) == "object") value = JSON.stringify(value);
-          send("\"" + value.replace(/\"/g, '""') + "\"");
-        } else {
-          if (startedOutput) send(",");
-        } 
-        startedOutput = true;
-      }
-      startedOutput = false;
-      send('\n');
-    }
-  } else {
-    send("You must pass in the urlencoded headers you wish to build the CSV from. Query /_list/urlencode/headers");
-  }
-};

lists/json.js

@@ -1,28 +0,0 @@
-/**
- * Generates a simple array of json objects representing each doc in the db
- * @author Max Ogden
- */
- function(head, req) {
-     var row, out, sep = '\n';
-
-     start({"headers":{"Content-Type" : "application/json"}});
-
-     if ('callback' in req.query) send(req.query['callback'] + "(");
-
-     send('[');
-     while (row = getRow()) {
-       for (var header in row.value) {
-         if (row.value[header]) {
-           var value = row.value[header];
-           if (typeof(value) == "object") {
-             row.value[header] = "\"" + JSON.stringify(value) + "\"";
-           }
-         }
-       }         
-       send(sep + JSON.stringify(row.value));
-       sep = ',\n';
-     }
-     send("]");
-     if ('callback' in req.query) send(")");
-
- };

lists/refine.js

@@ -1,28 +0,0 @@
-/**
- * Generates a simple array of json objects representing each doc in the db
- * @author Max Ogden
- */
- function(head, req) {
-     var row, out, sep = '\n';
-
-     start({"headers":{"Content-Type" : "application/json"}});
-
-     if ('callback' in req.query) send(req.query['callback'] + "(");
-
-     send('{');
-     while ((row = getRow())) {
-       for (var header in row.value) {
-         if (row.value[header]) {
-           var value = row.value[header];
-           if (typeof(value) == "object") {
-             row.value[header] = "\"" + JSON.stringify(value) + "\"";
-           }
-         }
-       }
-       send(sep + '"":' + JSON.stringify(row.value));
-       sep = ',\n';
-     }
-     send("]");
-     if ('callback' in req.query) send(")");
-
- };

lists/urlencode.js

@@ -1,22 +0,0 @@
-/**
- * Returns the urlencoded version of the view value 
- *
- * @author Max Ogden
- */
-function(head, req) {
-  // Send the same Content-Type as CouchDB would
-  if (req.headers.Accept.indexOf('application/json')!=-1)
-    start({"headers":{"Content-Type" : "application/json"}});
-  else
-    start({"headers":{"Content-Type" : "text/plain"}});
-
-  if ('callback' in req.query) send(req.query['callback'] + "(");
-
-  var rows = []
-  while (row = getRow()) {
-    rows.push(row.value)
-  }
-  send(escape(JSON.stringify(rows)));
-  
-  if ('callback' in req.query) send(")");
-};

readme.md

@@ -25,6 +25,4 @@ After you install it, visit this link to open Removalist:
 
 You'll have to get yourself a couch. The easiest way is from [the instructions on this page](http://couchone.com/get). Once it's going, open up `http://YOURCOUCH/_utils` and create a new database to store your data.
 
-You can either replicate the couchapp from my couch [max.couchone.com/apps/_design/removalist](http://max.couchone.com/apps/_design/removalist) (quickest option) or, if you want to hack on the removalist source code first, you'll need to install the [CouchApp command line utility](http://couchapp.org/page/installing) and check out this repo.
+You can either replicate the couchapp from my couch [max.couchone.com/apps/_design/removalist](http://max.couchone.com/apps/_design/removalist) (quickest option) or, if you want to hack on the removalist source code first, you'll need to install `mikeal/node.couchapp.js` and clone this repo.
-
-If you want to hack on removalist, once you have the couchapp utility working, <code>git clone</code> this repo and go into this folder and execute <code>couchapp init</code>. To upload removalist into your couch just run <code>couchapp push http://YOURCOUCH/DATABASENAME</code>. Otherwise see the Quick install section above.

rewrites.json

@@ -1,50 +0,0 @@
-[
-	{
-		"to": "style/*", 
-		"from": "style/*"
-	}, 
-	{
-		"to": "script/*", 
-		"from": "script/*"
-	}, 
-	{
-		"to": "pages/*", 
-		"from": "pages/*"
-	},
-	{
-		"to": "images/*", 
-		"from": "images/*"
-	}, 
-	{
-		"to": "pages/index.html", 
-		"from": ""
-	},
-	{
-		"to": "_list/csv/all", 
-		"from": "csv"
-	},
-	{
-		"to": "_list/urlencode/headers", 
-		"from": "headers"
-	},
-  {
-    "to": "./",
-    "from": "ddoc"
-  },
-  {
-    "to": "./",
-    "from": "api/_design/ddoc"
-  },
-  {
-    "to": "./*",
-    "from": "api/_design/ddoc/*"
-  },
-  {
-    "to": "../../",
-    "from": "api"
-  },
-  {
-    "to": "../../*",
-    "from": "api/*"
-  }
-]

views/all/map.js

@@ -1,7 +0,0 @@
-/**
- * A simple map function mocking _all, but allows usage with lists etc.
- * 
- */
-function(doc) {
-  emit(doc.id, doc);
-}

views/headers/map.js

@@ -1,12 +0,0 @@
-/**
- * Returns an array of all of the keys in the document.
- * 
- * @author Max Ogden
- */
-function(doc) {
-  var keys = [];
-  for (var key in doc) {
-    keys.push(key);
-  }
-  emit(doc, keys);
-}

views/headers/reduce.js

@@ -1,22 +0,0 @@
-/**
- * Reduces the passed in view headers to a list of unique object key attributes
- *
- * @author Max Ogden
- */
-function(keys, values, rereduce) { 
-
-  function include(arr, obj) {
-    return (arr.indexOf(obj) != -1);
-  }
-  
-  var headers = [];
-  for (var doc in values) {
-    for (var header in values[doc]) {
-      if(!include(headers, values[doc][header])) {
-        headers.push(values[doc][header]);
-      }
-    }
-  }
-  
-  return headers;
-}