feat(SmartdataDoc): add custom unique indexes

package-lock.json

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+          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=",
+          "dev": true
+        }
+      }
+    },
     "make-error": {
       "version": "1.3.4",
       "resolved": "https://registry.npmjs.org/make-error/-/make-error-1.3.4.tgz",
       "integrity": "sha512-0Dab5btKVPhibSalc9QGXb559ED7G7iLjFXBaj9Wq8O3vorueR5K5jaE3hkG6ZQINyhA/JgG6Qk4qdFQjsYV6g==",
       "dev": true
     },
+    "md5-file": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/md5-file/-/md5-file-4.0.0.tgz",
+      "integrity": "sha512-UC0qFwyAjn4YdPpKaDNw6gNxRf7Mcx7jC1UGCY4boCzgvU2Aoc1mOGzTtrjjLKhM5ivsnhoKpQVxKPp+1j1qwg==",
+      "dev": true
+    },
     "minimatch": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
@@ -617,17 +945,68 @@
         "saslprep": "^1.0.0"
       }
     },
+    "mongodb-memory-server": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmjs.org/mongodb-memory-server/-/mongodb-memory-server-1.9.0.tgz",
+      "integrity": "sha512-sVAOe68NoQwgORI9YP/FkOZi7YNX5efD452FKS/WPBXlIPqt/baoHWzP+GnmHHqyMrUEdPJdTmcOZVOoVs/aGw==",
+      "dev": true,
+      "requires": {
+        "babel-runtime": "^6.26.0",
+        "debug": "^3.1.0",
+        "decompress": "^4.2.0",
+        "fs-extra": "^6.0.1",
+        "get-port": "^3.2.0",
+        "getos": "^3.1.0",
+        "https-proxy-agent": "^2.2.1",
+        "lockfile": "^1.0.4",
+        "md5-file": "^4.0.0",
+        "mkdirp": "^0.5.1",
+        "tmp": "^0.0.33",
+        "uuid": "^3.2.1"
+      },
+      "dependencies": {
+        "fs-extra": {
+          "version": "6.0.1",
+          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-6.0.1.tgz",
+          "integrity": "sha512-GnyIkKhhzXZUWFCaJzvyDLEEgDkPfb4/TPvJCJVuS8MWZgoSsErf++QpiAlDnKFcqhRlm+tIOcencCjyJE6ZCA==",
+          "dev": true,
+          "requires": {
+            "graceful-fs": "^4.1.2",
+            "jsonfile": "^4.0.0",
+            "universalify": "^0.1.0"
+          }
+        }
+      }
+    },
+    "ms": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+      "dev": true
+    },
     "nan": {
       "version": "2.10.0",
       "resolved": "https://registry.npmjs.org/nan/-/nan-2.10.0.tgz",
       "integrity": "sha512-bAdJv7fBLhWC+/Bls0Oza+mvTaNQtP+1RyhhhvD95pgUJz6XM5IzgmxOkItJ9tkoCiplvAnXI1tNmmUD/eScyA==",
       "dev": true
     },
+    "nanoid": {
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-1.0.7.tgz",
+      "integrity": "sha512-DCTnU68QAckm8vgPbFhM1XcK3/zX8LWL4/kEXzPH5w2qy2ibBWHig+685aF8ff8rd5lUXkhVB3W60pb4mbRcDA==",
+      "dev": true
+    },
     "normalize-newline": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/normalize-newline/-/normalize-newline-3.0.0.tgz",
       "integrity": "sha1-HL6oBKukNgAfg5OKsh7AOdaa6dM="
     },
+    "object-assign": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
+      "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=",
+      "dev": true
+    },
     "object-keys": {
       "version": "1.0.12",
       "resolved": "https://registry.npmjs.org/object-keys/-/object-keys-1.0.12.tgz",
@@ -657,6 +1036,12 @@
       "integrity": "sha1-/7xJiDNuDoM94MFox+8VISGqf7M=",
       "dev": true
     },
+    "os-tmpdir": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz",
+      "integrity": "sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ=",
+      "dev": true
+    },
     "path-is-absolute": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
@@ -669,12 +1054,33 @@
       "integrity": "sha1-uULm1L3mUwBe9rcTYd74cn0GReA=",
       "dev": true
     },
+    "pend": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/pend/-/pend-1.2.0.tgz",
+      "integrity": "sha1-elfrVQpng/kRUzH89GY9XI4AelA=",
+      "dev": true
+    },
     "pify": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
       "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
       "dev": true
     },
+    "pinkie": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/pinkie/-/pinkie-2.0.4.tgz",
+      "integrity": "sha1-clVrgM+g1IqXToDnckjoDtT3+HA=",
+      "dev": true
+    },
+    "pinkie-promise": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/pinkie-promise/-/pinkie-promise-2.0.1.tgz",
+      "integrity": "sha1-ITXW36ejWMBprJsXh3YogihFD/o=",
+      "dev": true,
+      "requires": {
+        "pinkie": "^2.0.0"
+      }
+    },
     "pretty-bytes": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/pretty-bytes/-/pretty-bytes-4.0.2.tgz",
@@ -727,6 +1133,12 @@
       "resolved": "https://registry.npmjs.org/reflect-metadata/-/reflect-metadata-0.1.12.tgz",
       "integrity": "sha512-n+IyV+nGz3+0q3/Yf1ra12KpCyi001bi4XFxSjbiWWjfqb52iTTtpGXmCCAOWWIAn9KEuFZKGqBERHmrtScZ3A=="
     },
+    "regenerator-runtime": {
+      "version": "0.11.1",
+      "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz",
+      "integrity": "sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg==",
+      "dev": true
+    },
     "remove-trailing-separator": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz",
@@ -779,11 +1191,35 @@
       "integrity": "sha512-5lvKUEQ7lAN5/vPl5d3k8FQeDbEamu9kizfATfLLWV5h6Mkh1xcieR1FSsJkcSRUk49lF2tAW8gzXWVwtwZVhw==",
       "optional": true
     },
+    "seek-bzip": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/seek-bzip/-/seek-bzip-1.0.5.tgz",
+      "integrity": "sha1-z+kXyz0nS8/6x5J1ivUxc+sfq9w=",
+      "dev": true,
+      "requires": {
+        "commander": "~2.8.1"
+      }
+    },
     "semver": {
       "version": "5.5.0",
       "resolved": "https://registry.npmjs.org/semver/-/semver-5.5.0.tgz",
       "integrity": "sha512-4SJ3dm0WAwWy/NVeioZh5AntkdJoWKxHxcmyP622fOkgHa4z3R0TdBJICINyaSDE6uNwVc8gZr+ZinwZAH4xIA=="
     },
+    "shortid": {
+      "version": "2.2.11",
+      "resolved": "https://registry.npmjs.org/shortid/-/shortid-2.2.11.tgz",
+      "integrity": "sha512-uK/fkCpqyznl+ZIsFP1p0O91lXVczSwUyTQTSAJ06lU91HX+JR5gb1w3ZBUOJ5cB7d7llLxG5baSIrLQ6S3hdg==",
+      "dev": true,
+      "requires": {
+        "nanoid": "^1.0.7"
+      }
+    },
+    "signal-exit": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",
+      "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=",
+      "dev": true
+    },
     "smartchai": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/smartchai/-/smartchai-2.0.1.tgz",
@@ -925,6 +1361,15 @@
         "strip-bom": "^2.0.0"
       }
     },
+    "strip-dirs": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/strip-dirs/-/strip-dirs-2.1.0.tgz",
+      "integrity": "sha512-JOCxOeKLm2CAS73y/U4ZeZPTkE+gNVCzKt7Eox84Iej1LT/2pTWYpZKJuxwQpvX1LiZb1xokNR7RLfuBAa7T3g==",
+      "dev": true,
+      "requires": {
+        "is-natural-number": "^4.0.1"
+      }
+    },
     "strip-indent": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/strip-indent/-/strip-indent-2.0.0.tgz",
@@ -948,6 +1393,42 @@
         "smartq": "^1.1.8"
       }
     },
+    "tar-stream": {
+      "version": "1.6.1",
+      "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-1.6.1.tgz",
+      "integrity": "sha512-IFLM5wp3QrJODQFPm6/to3LJZrONdBY/otxcvDIQzu217zKye6yVR3hhi9lAjrC2Z+m/j5oDxMPb1qcd8cIvpA==",
+      "dev": true,
+      "requires": {
+        "bl": "^1.0.0",
+        "buffer-alloc": "^1.1.0",
+        "end-of-stream": "^1.0.0",
+        "fs-constants": "^1.0.0",
+        "readable-stream": "^2.3.0",
+        "to-buffer": "^1.1.0",
+        "xtend": "^4.0.0"
+      }
+    },
+    "through": {
+      "version": "2.3.8",
+      "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
+      "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=",
+      "dev": true
+    },
+    "tmp": {
+      "version": "0.0.33",
+      "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.0.33.tgz",
+      "integrity": "sha512-jRCJlojKnZ3addtTOjdIqoRuPEKBvNXcGYqzO6zWZX8KfKEpnGY5jfggJQ3EjKuu8D4bJRr0y+cYJFmYbImXGw==",
+      "dev": true,
+      "requires": {
+        "os-tmpdir": "~1.0.2"
+      }
+    },
+    "to-buffer": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/to-buffer/-/to-buffer-1.1.1.tgz",
+      "integrity": "sha512-lx9B5iv7msuFYE3dytT+KE5tap+rNYw+K4jVkb9R/asAb+pbBSM17jtunHplhBe6RRJdZx3Pn2Jph24O32mOVg==",
+      "dev": true
+    },
     "ts-node": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-7.0.0.tgz",
@@ -981,6 +1462,16 @@
       "resolved": "https://registry.npmjs.org/typings-global/-/typings-global-1.0.28.tgz",
       "integrity": "sha512-6VOwJWEY2971HOMHu/7sURzUXiD4/LiMJPsMAOqkHHAtS3MVpLFE5gzTiHilsH9KY5VE1mBQirWIgWFsDuo90A=="
     },
+    "unbzip2-stream": {
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/unbzip2-stream/-/unbzip2-stream-1.2.5.tgz",
+      "integrity": "sha512-izD3jxT8xkzwtXRUZjtmRwKnZoeECrfZ8ra/ketwOcusbZEp4mjULMnJOCfTDZBgGQAAY1AJ/IgxcwkavcX9Og==",
+      "dev": true,
+      "requires": {
+        "buffer": "^3.0.1",
+        "through": "^2.3.6"
+      }
+    },
     "universalify": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
@@ -1002,6 +1493,12 @@
         "object.getownpropertydescriptors": "^2.0.3"
       }
     },
+    "uuid": {
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
+      "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==",
+      "dev": true
+    },
     "vinyl": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/vinyl/-/vinyl-2.2.0.tgz",
@@ -1035,6 +1532,22 @@
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
       "dev": true
     },
+    "xtend": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
+      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68=",
+      "dev": true
+    },
+    "yauzl": {
+      "version": "2.10.0",
+      "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz",
+      "integrity": "sha1-x+sXyT4RLLEIb6bY5R+wZnt5pfk=",
+      "dev": true,
+      "requires": {
+        "buffer-crc32": "~0.2.3",
+        "fd-slicer": "~1.1.0"
+      }
+    },
     "yn": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/yn/-/yn-2.0.0.tgz",

package.json

@@ -34,7 +34,10 @@
   "devDependencies": {
     "@gitzone/tsrun": "^1.1.2",
     "@types/node": "^10.5.2",
+    "@types/shortid": "0.0.29",
+    "mongodb-memory-server": "^1.9.0",
     "qenv": "^1.1.7",
+    "shortid": "^2.2.11",
     "tapbundle": "^2.0.2"
   }
 }

test/test.ts

@@ -7,6 +7,7 @@ let testQenv = new Qenv(process.cwd(), process.cwd() + '/.nogit/');
 // the tested module
 import * as smartdata from '../ts';
 import { smartstring } from '../ts/smartdata.plugins';
+import * as shortid from 'shortid';
 
 // =======================================
 // Connecting to the database server
@@ -32,6 +33,7 @@ tap.test('should establish a connection to the rethink Db cluster', async () =>
 
 @smartdata.Collection(testDb)
 class Car extends smartdata.SmartDataDbDoc<Car> {
+  @smartdata.unI() index: string = shortid();
   @smartdata.svDb() color: string;
   @smartdata.svDb() brand: string;
   constructor(colorArg: string, brandArg: string) {

ts/smartdata.classes.collection.ts

@@ -31,6 +31,7 @@ export class SmartdataCollection<T> {
   objectValidation: IDocValidationFunc<T> = null;
   collectionName: string;
   smartdataDb: SmartdataDb;
+  uniqueIndexes: string[] = [];
 
   constructor(collectedClassArg: T & SmartDataDbDoc<T>, smartDataDbArg: SmartdataDb) {
     // tell the collection where it belongs
@@ -59,6 +60,21 @@ export class SmartdataCollection<T> {
     }
   }
 
+  /**
+   * mark unique index
+   */
+  markUniqueIndexes(keyArrayArg: string[] = []) {
+    for(let key of keyArrayArg) {
+      if(!this.uniqueIndexes.includes(key)) {
+        this.mongoDbCollection.createIndex(key, {
+          unique: true
+        });
+        // make sure we only call this once and not for every doc we create
+        this.uniqueIndexes.push(key);
+      }
+    }
+  }
+
   /**
    * adds a validation function that all newly inserted and updated objects have to pass
    */
@@ -81,6 +97,7 @@ export class SmartdataCollection<T> {
   async insert(dbDocArg: T & SmartDataDbDoc<T>): Promise<any> {
     await this.init();
     await this.checkDoc(dbDocArg);
+    this.markUniqueIndexes(dbDocArg.uniqueIndexes);
     const saveableObject = await dbDocArg.createSavableObject();
     console.log(saveableObject);
     const result = await this.mongoDbCollection.insertOne(saveableObject);

ts/smartdata.classes.doc.ts

@@ -12,7 +12,28 @@ export type TDocCreation = 'db' | 'new' | 'mixed';
  */
 export function svDb() {
   return (target: SmartDataDbDoc<any>, key: string) => {
-    console.log('called sva');
+    console.log(`called svDb() on ${key}`);
+    if (!target.saveableProperties) {
+      target.saveableProperties = [];
+    }
+    target.saveableProperties.push(key);
+  };
+}
+
+/**
+ * unique index - decorator to mark a unique index
+ */
+export function unI() {
+  return (target: SmartDataDbDoc<any>, key: string) => {
+    console.log('called unI');
+
+    // mark the index as unique
+    if (!target.uniqueIndexes) {
+      target.uniqueIndexes = [];
+    }
+    target.uniqueIndexes.push(key);
+
+    // and also save it
     if (!target.saveableProperties) {
       target.saveableProperties = [];
     }
@@ -31,6 +52,11 @@ export class SmartDataDbDoc<T> {
    */
   creationStatus: TDocCreation = 'new';
 
+  /**
+   * unique indexes
+   */
+  uniqueIndexes: string[];
+
   /**
    * an array of saveable properties of a doc
    */