basic objects working, need to standardize key usage

api/object-api/ObjectAPI.js

@@ -1,9 +1,202 @@
 define([
+    'lodash'
+], function (
+    _
+) {
 
-], function () {
-    function ObjectAPI(objectService) {
-        window.MCT = window.MCT || {};
-        window.MCT.objects = objectService;
+    /**
+        Object API.  Intercepts the existing object API while also exposing
+        A new Object API.
+
+        MCT.objects.get('mine')
+            .then(function (root) {
+                console.log(root);
+                MCT.objects.getComposition(root)
+                    .then(function (composition) {
+                        console.log(composition)
+                    })
+            });
+
+    */
+
+    var Objects = {},
+        ROOT_REGISTRY = [],
+        PROVIDER_REGISTRY = [];
+
+    window.MCT = window.MCT || {};
+    window.MCT.objects = Objects;
+
+    function parseKey(key) {
+        var namespace = '',
+            identifier = key;
+        for (var i = 0, escaped = false, len=key.length; i < len; i++) {
+            if (key[i] === ":" && !escaped) {
+                namespace = key.slice(0, i);
+                identifier = key.slice(i + 1);
+                break;
+            }
+        }
+        return {
+            namespace: namespace,
+            identifier: identifier
+        };
+    };
+
+    function makeKey(namespace, identifier) {
+        if (arguments.length === 1) {
+            identifier = namespace.identifier;
+            namespace = namespace.namespace;
+        }
+        if (!namespace) {
+            return identifier
+        }
+        return [
+            namespace.replace(':', '\\:'),
+            identifier.replace(':', '\\:')
+        ].join(':');
+    };
+
+    var RootProvider = {
+        'get': function () {
+            return Promise.resolve({
+                name: 'The root object',
+                type: 'root',
+                composition: ROOT_REGISTRY
+            });
+        }
+    };
+
+    function getProvider(key) {
+        if (key.identifier === 'ROOT') {
+            return RootProvider;
+        }
+        return PROVIDER_REGISTRY.filter(function (p) {
+            return p.appliesTo(key);
+        })[0];
+    };
+
+    Objects.addProvider = function (provider) {
+        PROVIDER_REGISTRY.push(provider);
+    };
+
+    [
+        'create',
+        'save',
+        'delete',
+        'get'
+    ].forEach(function (method) {
+        Objects[method] = function () {
+            var key = arguments[0],
+                keyParts = parseKey(key),
+                provider = getProvider(keyParts),
+                args = [keyParts].concat([].slice.call(arguments, 1));
+
+            if (!provider) {
+                throw new Error('No Provider Matched');
+            }
+
+            if (!provider[method]) {
+                throw new Error('Provider does not support [' + method + '].');
+            }
+
+            return provider[method].apply(provider, args);
+        };
+    });
+
+    Objects.getComposition = function (object) {
+        if (!object.composition) {
+            throw new Error('object has no composition!');
+        }
+        return Promise.all(object.composition.map(Objects.get, Objects));
+    };
+
+    Objects.addRoot = function (keyParts) {
+        var key = makeKey(keyParts);
+        ROOT_REGISTRY.push(key);
+    };
+
+    Objects.removeRoot = function (keyParts) {
+        var key = makeKey(keyParts);
+        ROOT_REGISTRY = ROOT_REGISTRY.filter(function (k) {
+            return k !== key;
+        });
+    };
+
+    function ObjectServiceProvider(objectService, instantiate) {
+        this.objectService = objectService;
+        this.instantiate = instantiate;
+    }
+
+    ObjectServiceProvider.prototype.appliesTo = function (keyParts) {
+        return true;
+    };
+
+    ObjectServiceProvider.prototype.create = function (keyParts, object) {
+        var key = makeKey(keyParts),
+            object = this.instantiate(object, key);
+
+        return object.getCapability('persistence')
+                .persist()
+                .then(function () {
+                    return object;
+                });
+    };
+
+    ObjectServiceProvider.prototype.save = function (keyParts, object) {
+        var key = makeKey(keyParts);
+        return this.objectService.getObjects([key])
+            .then(function (results) {
+                var obj = results[key];
+                obj.getCapability('mutation').mutate(function (model) {
+                    _.extend(model, object);
+                });
+                return obj.getCapability('persistence')
+                    .persist()
+                    .then(function () {
+                        return object;
+                    });
+            });
+    };
+
+    ObjectServiceProvider.prototype.delete = function (keyParts, object) {
+        // TODO!
+    };
+
+    ObjectServiceProvider.prototype.get = function (keyParts) {
+        var key = makeKey(keyParts);
+        return this.objectService.getObjects([key])
+            .then(function (results) {
+                var model = results[key].getModel();
+                if (model.composition) {
+                    model.composition = model.composition.map(parseKey);
+                }
+                return model;
+            });
+    };
+
+    function ObjectAPI(ROOTS, instantiate, objectService) {
+        this.getObjects = function (keys) {
+            var results = {},
+                promises = keys.map(function (key) {
+                    return Objects.get(key)
+                        .then(function (object) {
+                            results[key] = instantiate(object, key);
+                        });
+                });
+
+            return Promise.all(promises)
+                .then(function () {
+                    return results;
+                });
+        };
+
+        PROVIDER_REGISTRY.push(new ObjectServiceProvider(objectService, instantiate));
+
+        ROOTS.forEach(function (r) {
+            ROOT_REGISTRY.push(r.id);
+        });
+
+        return this;
     }
 
     return ObjectAPI;

api/object-api/bundle.js

@@ -32,12 +32,15 @@ define([
         name: 'Object API',
         description: 'The public Objects API',
         extensions: {
-            runs: [
+            components: [
                 {
-                    key: "ObjectAPI",
+                    provides: "objectService",
+                    type: "decorator",
+                    priority: "mandatory",
                     implementation: ObjectAPI,
                     depends: [
-                        'objectService'
+                        "roots[]",
+                        "instantiate"
                     ]
                 }
             ]

main.js

@@ -92,7 +92,9 @@ define([
     './platform/search/bundle',
     './platform/status/bundle',
     './platform/commonUI/regions/bundle',
-    './platform/telemetry-api/bundle',
+    './api/telemetry-api/bundle',
+    './api/object-api/bundle',
+    './example/scratchpad/bundle',
 
     './example/imagery/bundle',
     './example/eventGenerator/bundle',
@@ -100,6 +102,56 @@ define([
 ], function (Main, legacyRegistry) {
     'use strict';
 
+    MCT.objects.addRoot({
+        namespace: 'magic',
+        identifier: 'groot'
+    });
+
+    var GROOT_BITS = [
+        {
+            key: {
+                namespace: 'magic',
+                identifier: 'groot-one'
+            },
+            name: 'groot!'
+        },
+        {
+            key: {
+                namespace: 'magic',
+                identifier: 'groot-two'
+            },
+            name: 'groot?'
+        },
+        {
+            key: {
+                namespace: 'magic',
+                identifier: 'groot-three'
+            },
+            name: 'groot groot groot!'
+        }
+    ];
+
+    MCT.objects.addProvider({
+        appliesTo: function (key) {
+            return key.namespace === 'magic';
+        },
+        get: function (key) {
+            if (key.identifier === 'groot') {
+                return Promise.resolve({
+                    'name': 'grootman!',
+                    'type': 'folder',
+                    'composition': GROOT_BITS.map(function (gb) {
+                        return gb.key
+                    })
+                });
+            }
+            return GROOT_BITS.filter(function (gb) {
+                return (gb.key.identifier === key.identifier);
+            })[0];
+        }
+    });
+
+
     return {
         legacyRegistry: legacyRegistry,
         run: function () {