database

src/appStart/StartHelper.tsx

@@ -19,6 +19,7 @@ import BigDataManager from '@caj/helper/storage/BigDataManager';
 import {initKey} from '@caj/helper/storage/bdm/encryption';
 import UserManager from '@caj/user/UserManager';
 import MyUserManager from '@caj/user/MyUserManager';
+import DBSchemas from '@caj/helper/storage/bdm/schemas';
 
 const AnimationView = animated(View);
 
@@ -37,9 +38,9 @@ function onAppStart() {
 
         setTimeout(async () => {
           console.log('get');
-          const obj = (await BigDataManager.getEntry('users', 'test'));
+          const obj = await BigDataManager.databases.users.getEntry('test');
-          console.log("obj",obj);
+          console.log('obj', obj);
-          console.log("objAccName",obj.AccountName);
+          console.log('objAccName', obj?.AccountName);
           console.log(
             'user',
             await UserManager.getUser(MyUserManager.getSelectedUserId()),

src/caj/helper/storage/BigDataManager.ts

@@ -1,6 +1,13 @@
 import {initDatabase} from './bdm/init';
 import {setEntry} from './bdm/set';
 import {getEntry} from './bdm/get';
+import DBSchemas from './bdm/schemas';
+import {databaseNames, possibleDBKeys} from './bdm/types';
 
-const BigDataManager = {initDatabase, setEntry,getEntry};
+const BigDataManager = {
+  initDatabase,
+  setEntry,
+  getEntry,
+  databases: DBSchemas,
+};
 export default BigDataManager;

src/caj/helper/storage/bdm/get.ts

@@ -2,14 +2,17 @@ import DBSchemas from './schemas';
 import {getDatabase} from './getDB';
 import {databaseConf, databaseNames, possibleDBKeys} from './types';
 
-export const getEntry = async (dbName: databaseNames, key: possibleDBKeys) => {
+export const getEntry = async <T2 extends databaseConf<T>, T>(
+  db: T2,
+  key: possibleDBKeys,
+): Promise<null | T> => {
+  const dbName = db.details.name;
   const realm = await getDatabase(dbName);
-  console.log(realm.path);
 
-  const schema = DBSchemas[dbName].details.properties;
+  const val = realm.objectForPrimaryKey<typeof db.details.properties>(
+    dbName,
+    key,
+  );
 
-  const val = realm.objectForPrimaryKey<typeof schema>('users', key);
+  return val as T;
-  console.log('val', val);
-
-  return val;
 };

src/caj/helper/storage/bdm/migration.ts

@@ -1,7 +1,9 @@
 import {MigrationCallback} from 'realm';
-import {databaseConf} from './types';
+import DBSchemas from './schemas';
+import {databaseConf, databaseNames} from './types';
 
-export const usersDBMigration = (Schema: databaseConf) => {
+export const DBMigration: {[key in databaseNames]: any} = {
+  users: (Schema: databaseConf<typeof DBSchemas.users.defaultProps>) => {
     const callback: MigrationCallback = (oldRealm, newRealm) => {
       /*// only apply this change if upgrading to schemaVersion 2
         if (oldRealm.schemaVersion < 2) {
@@ -17,9 +19,8 @@ export const usersDBMigration = (Schema: databaseConf) => {
     };
 
     return callback;
-};
+  },
-
+  chat: (Schema: databaseConf<typeof DBSchemas.chat.defaultProps>) => {
-export const chatDBMigration = (Schema: databaseConf) => {
     const callback: MigrationCallback = (oldRealm, newRealm) => {
       /*// only apply this change if upgrading to schemaVersion 2
         if (oldRealm.schemaVersion < 2) {
@@ -35,4 +36,5 @@ export const chatDBMigration = (Schema: databaseConf) => {
     };
 
     return callback;
+  },
 };

src/caj/helper/storage/bdm/migration.web.ts

@@ -1,7 +1,8 @@
 import MyUserManager from '@caj/user/MyUserManager';
 import {IDBPDatabase, IDBPTransaction, StoreNames} from 'idb';
+import DBSchemas from './schemas';
 
-import {databaseConf} from './types';
+import {databaseConf, databaseNames} from './types';
 
 interface migrationArguments {
   db: IDBPDatabase<unknown>;
@@ -19,7 +20,8 @@ type upgradeFunc = (
   event: IDBVersionChangeEvent,
 ) => void;
 
-export const usersDBMigration = (Schema: databaseConf) => {
+export const DBMigration: {[key in databaseNames]: any} = {
+  users: (Schema: databaseConf<typeof DBSchemas.users.defaultProps>) => {
     const callback: upgradeFunc = (
       db,
       oldVersion,
@@ -44,9 +46,8 @@ export const usersDBMigration = (Schema: databaseConf) => {
     };
 
     return callback;
-};
+  },
-
+  chat: (Schema: databaseConf<typeof DBSchemas.chat.defaultProps>) => {
-export const chatDBMigration = (Schema: databaseConf) => {
     const callback: upgradeFunc = (
       db,
       oldVersion,
@@ -71,4 +72,5 @@ export const chatDBMigration = (Schema: databaseConf) => {
     };
 
     return callback;
+  },
 };

src/caj/helper/storage/bdm/schemas.ts

@@ -1,43 +1,5 @@
-import {usersDBMigration} from './migration';
+import chat from './schemas/chat';
-import {chatDBMigration} from './migration';
+import users from './schemas/users';
-import {databaseConf} from './types';
-
-const usersProps = {
-  UserId: 'string',
-  AccountName: 'string',
-  Username: 'string',
-};
-
-const users: databaseConf<typeof usersProps> = {
-  filePath: 'users',
-  version: 1,
-  migration: () => {
-    return usersDBMigration(users);
-  },
-  details: {
-    name: 'users',
-    properties: usersProps,
-    primaryKey: 'UserId',
-  },
-};
-
-const chatProps = {
-  UserId: 'string',
-  msg: 'string',
-};
-
-const chat: databaseConf<typeof chatProps> = {
-  filePath: 'chat',
-  version: 1,
-  migration: () => {
-    return chatDBMigration(chat);
-  },
-  details: {
-    name: 'chat',
-    properties: chatProps,
-    primaryKey: 'UserId',
-  },
-};
 
 const DBSchemas = {users, chat};
 export default DBSchemas;

src/caj/helper/storage/bdm/schemas/chat.ts

@@ -0,0 +1,37 @@
+import {getEntry} from '../get';
+import {DBMigration} from '../migration';
+
+import {databaseConf, possibleDBKeys} from '../types';
+
+const name = 'chat';
+const primaryKey: keyof typeof propsDefault = 'UserId';
+
+const propsType: {[key in keyof typeof propsDefault]: string} = {
+  UserId: 'string',
+  msg: 'string',
+};
+
+const propsDefault = {
+  UserId: 'test',
+  msg: 'test',
+};
+
+const thisSchema: databaseConf<typeof propsDefault> = {
+  filePath: name,
+  version: 1,
+  migration: () => {
+    return DBMigration[name](thisSchema);
+  },
+  getEntry: (key: possibleDBKeys) => {
+    const thisObj = thisSchema;
+    return getEntry<typeof thisObj, typeof thisObj.defaultProps>(thisObj, key);
+  },
+  defaultProps: propsDefault,
+  details: {
+    name,
+    properties: propsType,
+    primaryKey,
+  },
+};
+
+export default thisSchema;

src/caj/helper/storage/bdm/schemas/users.ts

@@ -0,0 +1,55 @@
+import {getEntry} from '../get';
+import {DBMigration} from '../migration';
+
+import {databaseConf, possibleDBKeys} from '../types';
+
+const name = 'users';
+const primaryKey: keyof typeof propsDefault = 'UserId';
+
+const propsType: {[key in keyof typeof propsDefault]: string} = {
+  UserId: 'string',
+  AccountName: 'string',
+  Username: 'string',
+  Description: 'string',
+  FollowersCount: 'int',
+  FollowingCount: 'int',
+  lastUpdateTimestamp: 'int',
+  ProfilePicture: 'string', //URL
+  ProfilePictureBinary: 'data',
+  XpLevel: 'int',
+  XpPoints: 'int',
+};
+
+const propsDefault = {
+  UserId: '',
+  AccountName: '',
+  Username: '',
+  Description: '',
+  FollowersCount: 0,
+  FollowingCount: 0,
+  lastUpdateTimestamp: 0,
+  ProfilePicture: '', //URL
+  ProfilePictureBinary: [],
+  XpLevel: 0,
+  XpPoints: 0,
+};
+
+const thisSchema: databaseConf<typeof propsDefault> = {
+  filePath: name,
+  version: 1,
+  migration: () => {
+    return DBMigration[name](thisSchema);
+  },
+  getEntry: (key: possibleDBKeys) => {
+    const thisObj = thisSchema;
+    return getEntry<typeof thisObj, typeof thisObj.defaultProps>(thisObj, key);
+  },
+  defaultProps: propsDefault,
+  details: {
+    name,
+    properties: propsType,
+    primaryKey,
+  },
+};
+
+export default thisSchema;

src/caj/helper/storage/bdm/types.ts

@@ -5,9 +5,11 @@ export interface databaseConf<props> {
   filePath: string;
   version: number;
   migration?: any;
+  getEntry: (key: possibleDBKeys) => Promise<props | null>;
+  defaultProps: props;
   details: {
     name: databaseNames;
-    properties: props;
+    properties: {[key in keyof props]: string};
-    primaryKey: string;
+    primaryKey: keyof props;
   };
 }

src/caj/user/UserManager.ts

@@ -32,21 +32,24 @@ async function getUser(
   }
 
   if (user === undefined) {
-    const usr = await BigDataManager.getEntry('users', UserId);
+    const usr = await BigDataManager.databases.users.getEntry(UserId);
 
+    if (usr !== null) {
       user = {
-      AccountName: usr.AccountName,
+        AccountName: createUserProp(SourceProp.offline, usr.AccountName),
-      Description: usr.Description,
+        Description: createUserProp(SourceProp.offline, usr.Description),
-      FollowersCount: usr.FollowersCount,
+
-      FollowingCount: usr.FollowingCount,
+        FollowersCount: createUserProp(SourceProp.offline, usr.FollowersCount),
+        FollowingCount: createUserProp(SourceProp.offline, usr.FollowingCount),
         lastUpdateTimestamp: usr.lastUpdateTimestamp,
-      ProfilePicture: usr.ProfilePicture,
+        ProfilePicture: createUserProp(SourceProp.offline, usr.ProfilePicture),
         UserId,
-      Username: usr.Username,
+        Username: createUserProp(SourceProp.offline, usr.Username),
-      XpLevel: usr.XpLevel,
+        XpLevel: createUserProp(SourceProp.offline, usr.XpLevel),
-      XpPoints: usr.XpPoints,
+        XpPoints: createUserProp(SourceProp.offline, usr.XpPoints),
       };
     }
+  }
 
   if (user === undefined) {
     try {