Add setMode() for settings channel read and write (ops) modes.

OrbitClient.js

@@ -19,6 +19,8 @@ class OrbitClient {
   constructor(ipfs) {
     this.sequences = {};
     this.ipfs = ipfs;
+    this.network = {};
+    this.user = null;
   }
 
   channel(hash, password) {
@@ -29,7 +31,7 @@ class OrbitClient {
         return this._send(hash, password, text, options);
       },
       delete: () => this._delete(hash, password),
-      setMode: (mode) => this._setMode(hash, modes)
+      setMode: (mode) => this._setMode(hash, password, mode)
     }
   }
 
@@ -43,7 +45,7 @@ class OrbitClient {
     return seq;
   }
 
-  _iterator(channel, password, options) {
+  _getMessages(channel, password, options) {
     var currentIndex  = 0;
     var messages = [];
 
@@ -69,13 +71,13 @@ class OrbitClient {
 
     if(startFromHash) {
       // Get messages
-      messages = this._fetchRecursive(startFromHash, password, limit, gte ? gte : gt, 0);
+      messages = this._fetchRecursive(startFromHash, password, limit, gte ? gte : gt);
 
       // Slice the array
       var startIndex = 0;
       var endIndex   = messages.length;
       if(limit > -1) {
-        startIndex = Math.max(messages.length - limit, 0);
+        startIndex = Math.max(0, messages.length - limit);
         endIndex   = messages.length - ((gt || lt) ? 1 : 0);
       } else if(limit === -1) {
         endIndex = messages.length - (gt ? 1 : 0);
@@ -86,6 +88,9 @@ class OrbitClient {
 
     if(reverse) messages.reverse();
 
+  _iterator(channel, password, options) {
+    var messages = this._getMessages(channel, password, options);
+
     // Iterator interface implementation
     let iterator = {
       [Symbol.iterator]() {
@@ -130,6 +135,8 @@ class OrbitClient {
   _fetchRecursive(hash, password, amount, last, currentDepth) {
     var res = [];
 
+    if(!currentDepth) currentDepth = 0;
+
     if(!last && amount > -1 && currentDepth >= amount)
       return res;
 
@@ -188,12 +195,23 @@ class OrbitClient {
     return true;
   }
 
-  _setMode(channel, modes) {
-    /* TODO */
+  _setMode(channel, password, modes) {
+    var m = []
+    if(typeof modes !== 'Array')
+      m.push(modes);
+    else
+      m = modes;
+    return await(this.client.linkedList(channel, password).setMode(m))
   }
 
   _connect(host, username, password) {
     this.client = await(HashCache.connect(host, username, password));
+    this.user = this.client.info.user;
+    this.network = {
+      id: this.client.info.networkId,
+      name: this.client.info.name,
+      config: this.client.info.config
+    };
     return;
   }
 

README.md

@@ -63,7 +63,15 @@ async(() => {
     // for(let i of iter)
     //   console.log(i.hash, i.item.Data.seq);
 
-    // delete channel
+    // Set modes
+    var password = 'hello';
+    var channelModes;
+    channelModes = orbit.channel(channel, channelPwd).setMode({ mode: "+r", params: { password: password } }); // { modes: { r: { password: 'hello' } } }
+    channelModes = orbit.channel(channel, password).setMode({ mode: "+w", params: { ops: [orbit.user.id] } }); // { modes: { ... } }
+    channelModes = orbit.channel(channel, password).setMode({ mode: "-r" }); // { modes: { ... } }
+    channelModes = orbit.channel(channel, '').setMode({ mode: "-w" }); // { modes: {} }
+
+    // Delete channel
     var result = orbit.channel(channelName, channelPwd).delete(); // true | false
 })();
 ```

test/orbit-client-tests.js

@@ -35,7 +35,7 @@ describe('Orbit Client', () => {
   let head   = '';
   let second = '';
   let items  = [];
-  let channel = 'abc';
+  let channel = 'abc1';
 
   before(function(done) {
     // logger.setLevel('ERROR');
@@ -58,6 +58,7 @@ describe('Orbit Client', () => {
     // }
     var start = () => new Promise(async((resolve, reject) => {
       orbit = OrbitClient.connect(host, username, password);
+      orbit.channel(channel, 'hello').setMode({ mode: "-r" })
       resolve();
     }));
     start().then(done);
@@ -75,12 +76,17 @@ describe('Orbit Client', () => {
     it('connects to hash-cache-server', async((done) => {
       assert.notEqual(orbit, null);
       assert.notEqual(orbit.client, null);
+      assert.equal(orbit.user.id, 'QmcLzfQBKuvBYLsmgt4nkaUM7i7LNL37dPtnBZWgGpjPRW');
+      assert.equal(orbit.network.id, 'anon-test');
+      assert.equal(orbit.network.name, 'Anonymous Networks TEST');
+      assert.notEqual(orbit.network.config.SupernodeRouting, null);
+      assert.equal(orbit.network.config.Bootstrap.length, 3);
       done();
     }));
   });
 
-  describe('Delete channel', function() {
-    it('deletes a channel', async((done) => {
+  describe('Delete', function() {
+    it('deletes a channel from the database', async((done) => {
       var result = orbit.channel(channel, '').delete();
       assert.equal(result, true);
       var iter = orbit.channel(channel, '').iterator();
@@ -440,6 +446,81 @@ describe('Orbit Client', () => {
 
   });
 
+
+  describe('Modes', function() {
+    var password = 'hello';
+
+    it('sets read mode', async((done) => {
+      try {
+        var mode = {
+          mode: "+r",
+          params: {
+            password: password
+          }
+        };
+        var res = orbit.channel(channel, '').setMode(mode)
+        assert.notEqual(res.modes.r, null);
+        assert.equal(res.modes.r.password, password);
+      } catch(e) {
+        assert.equal(e, null);
+      }
+      done();
+    }));
+
+    it('can\'t read with wrong password', async((done) => {
+      try {
+        var res = orbit.channel(channel, '').iterator();
+        assert.equal(true, false);
+      } catch(e) {
+        assert.equal(e, 'Unauthorized');
+      }
+      done();
+    }));
+
+    it('sets write mode', async((done) => {
+      try {
+        var mode = {
+          mode: "+w",
+          params: {
+            ops: [orbit.user.id]
+          }
+        };
+        var res = orbit.channel(channel, password).setMode(mode);
+        assert.notEqual(res.modes.w, null);
+        assert.equal(res.modes.w.ops[0], orbit.user.id);
+      } catch(e) {
+        assert.equal(e, null);
+      }
+      done();
+    }));
+
+    it('can\'t write when user not an op', async((done) => {
+      // TODO
+      done();
+    }));
+
+    it('removes write mode', async((done) => {
+      try {
+        var res = orbit.channel(channel, password).setMode({ mode: "-w" });
+        assert.equal(res.modes.w, null);
+      } catch(e) {
+        assert.equal(e, null);
+      }
+      done();
+    }));
+
+    it('removes read mode', async((done) => {
+      try {
+        var res = orbit.channel(channel, password).setMode({ mode: "-r" });
+        assert.equal(res.modes.r, null);
+      } catch(e) {
+        assert.equal(e, null);
+      }
+      done();
+    }));
+
+  });
+
 });
 
 // let rmDir = function(dirPath) {