Merge pull request #199 from fdhhhdjd/developer

Developer
fdhhhdjd · Mar 14, 2023 · 658e8ed · 658e8ed
2 parents d869896 + 5135a2e
commit 658e8ed
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Showing 8 changed files with 149 additions and 23 deletions.
diff --git a/backend-manager-student/src/admin_api/v1/controllers/book.controllers/book.controller.js b/backend-manager-student/src/admin_api/v1/controllers/book.controllers/book.controller.js
@@ -2,6 +2,7 @@
 const HELPER = require('../../../../share/utils/helper');
 const RANDOMS = require('../../../../share/utils/random');
 const CONSTANTS = require('../../../../share/configs/constants');
+const MEMORY_CACHE = require('../../../../share/utils/limited_redis');
 
 //! MIDDLEWARE
 const { globalCache } = require('../../../../share/patterns/LRU_Strategy.patterns');
@@ -10,6 +11,9 @@ const { returnReasons } = require('../../../../share/middleware/handle_error');
 //! MODEL
 const book_model = require('../../../../share/models/book.model');
 
+//! SERVICE
+const book_admin_service = require('../../../../share/services/admin_service/book_service');
+
 const bookController = {
     /**
      * @author Nguyễn Tiến Tài
@@ -60,8 +64,8 @@ const bookController = {
             let result;
             [err, result] = await HELPER.handleRequest(book_model.createBook(data_insert));
             if (result) {
-                // Delete data cache lru argothim
-                globalCache.delCache(CONSTANTS.KEY_REDIS.ALL_BOOK);
+                // Del key Redis
+                MEMORY_CACHE.delKeyCache(CONSTANTS.KEY_REDIS.ALL_BOOK);
 
                 return res.status(200).json({
                     status: 200,
@@ -157,8 +161,8 @@ const bookController = {
                     book_id,
                 });
 
-                // Delete data cache lru argothim
-                globalCache.delMultiCache(CONSTANTS.KEY_REDIS.ALL_BOOK, key_cache_book_detail);
+                // Delete Cache
+                book_admin_service.handleDeleteCache(key_cache_book_detail, CONSTANTS.KEY_REDIS.ALL_BOOK);
 
                 return res.status(200).json({
                     status: 200,
@@ -236,8 +240,8 @@ const bookController = {
                     book_id,
                 });
 
-                // Delete data cache lru argothim
-                globalCache.delMultiCache(CONSTANTS.KEY_REDIS.ALL_BOOK, key_cache_book_detail);
+                // Delete Cache
+                book_admin_service.handleDeleteCache(key_cache_book_detail, CONSTANTS.KEY_REDIS.ALL_BOOK);
 
                 return res.status(200).json({
                     status: 200,
@@ -288,7 +292,7 @@ const bookController = {
 
             // detail book database
             const cache_lru_book = globalCache.getCache(key_cache_book_detail);
-            if (cache_lru_book !== -1) {
+            if (cache_lru_book !== CONSTANTS.NO) {
                 return res.status(200).json({
                     status: 200,
                     message: returnReasons('200'),
@@ -304,7 +308,7 @@ const bookController = {
             );
             if (result_book_detail) {
                 // Add data cache lru argothim
-                globalCache.putCache(key_cache_book_detail, result_book_detail[0]);
+                book_admin_service.handleSetCacheLRU(key_cache_book_detail, result_book_detail[0]);
 
                 return res.status(200).json({
                     status: 200,
@@ -333,22 +337,27 @@ const bookController = {
      */
     getAllBook: async (req, res) => {
         try {
-            // detail book database
-            const cache_lru_book = globalCache.getCache(CONSTANTS.KEY_REDIS.ALL_BOOK);
-            if (cache_lru_book !== -1) {
+            // Detail book database
+            const cache_redis_book = await MEMORY_CACHE.getCache(CONSTANTS.KEY_REDIS.ALL_BOOK);
+            if (cache_redis_book) {
                 return res.status(200).json({
                     status: 200,
                     message: returnReasons('200'),
                     element: {
-                        result: cache_lru_book,
+                        result: JSON.parse(cache_redis_book),
                     },
                 });
             }
             // Take data db
             const result_book_detail = await book_model.getAllBook({ isdeleted: CONSTANTS.DELETED_DISABLE }, '*');
             if (result_book_detail) {
-                // Add data cache lru argothim
-                globalCache.putCache(CONSTANTS.KEY_REDIS.ALL_BOOK, result_book_detail);
+                const redisTTLWithRandom = RANDOMS.getRedisTTLWithRandom(CONSTANTS._1_MONTH);
+                // Add data redis
+                book_admin_service.handleSetCacheRedis(
+                    CONSTANTS.KEY_REDIS.ALL_BOOK,
+                    result_book_detail,
+                    redisTTLWithRandom,
+                );
 
                 return res.status(200).json({
                     status: 200,

diff --git a/...er-student/src/admin_api/v1/controllers/borrow_book.controllers/borrow_book.controller.js b/...er-student/src/admin_api/v1/controllers/borrow_book.controllers/borrow_book.controller.js
@@ -3,13 +3,15 @@ const HELPER = require('../../../../share/utils/helper');
 const CONSTANTS = require('../../../../share/configs/constants');
 
 //! MIDDLEWARE
-const { globalCache } = require('../../../../share/patterns/LRU_Strategy.patterns');
 const { returnReasons } = require('../../../../share/middleware/handle_error');
 
 //! MODEL
 const borrow_book_model = require('../../../../share/models/book_borrowed.model');
 const book_model = require('../../../../share/models/book.model');
 
+//! SERVICE
+const book_admin_service = require('../../../../share/services/admin_service/book_service');
+
 const BorrowBookController = {
     /**
      * @author Nguyễn Tiến Tài
@@ -109,8 +111,9 @@ const BorrowBookController = {
                     const key_cache_book_detail = HELPER.getURIFromTemplate(CONSTANTS.KEY_REDIS.DETAIL_BOOK, {
                         book_id,
                     });
-                    // Delete data cache lru argothim
-                    globalCache.delMultiCache(CONSTANTS.KEY_REDIS.ALL_BOOK, key_cache_book_detail);
+
+                    // Delete Cache
+                    book_admin_service.handleDeleteCache(key_cache_book_detail, CONSTANTS.KEY_REDIS.ALL_BOOK);
 
                     return res.status(200).json({
                         status: 200,

diff --git a/backend-manager-student/src/share/configs/constants.js b/backend-manager-student/src/share/configs/constants.js
@@ -349,4 +349,12 @@ module.exports = {
         ALL_BOOK: 'book_all',
         DETAIL_BOOK: 'detail_book_${book_id}',
     },
+    /**
+     * @author Nguyễn Tiến Tài
+     * @created_at 14/03/2023
+     * @description True and False
+     * @param { String }
+     */
+    YES: 1,
+    NO: 0,
 };
diff --git a/backend-manager-student/src/share/patterns/LRU_Strategy.patterns.js b/backend-manager-student/src/share/patterns/LRU_Strategy.patterns.js
@@ -1,8 +1,13 @@
+//! LIBRARY
 const LRU = require('lru-cache');
+
+//! SHARE
 const CONFIGS = require('../configs/config');
+const CONSTANTS = require('../configs/constants');
 /**
  * @author Nguyễn Tiến Tài
  * @created_at 22/12/2022
+ * @updaed_at 14/03/2023
  * @description File Algorithm Cache LRU
  */
 class LRUCache {
@@ -26,7 +31,7 @@ class LRUCache {
                 const val = this._cache.get(key);
                 return val;
             }
-            return -1;
+            return CONSTANTS.NO;
         } catch (error) {
             throw new Error(`Error getting key ${key} from cache: ${error}`);
         }
@@ -41,6 +46,18 @@ class LRUCache {
         }
     }
 
+    exitKeyCache(key) {
+        try {
+            const hasKey = this._cache.has(key);
+            if (hasKey) {
+                return CONSTANTS.YES;
+            }
+            return CONSTANTS.NO;
+        } catch (error) {
+            throw new Error(`Error check key ${key} from cache: ${error}`);
+        }
+    }
+
     delMultiCache(key_1, key_2) {
         try {
             this._cache.delete(key_1) && this._cache.delete(key_2);

diff --git a/backend-manager-student/src/share/services/admin_service/book_service.js b/backend-manager-student/src/share/services/admin_service/book_service.js
@@ -0,0 +1,73 @@
+//! SHARE
+const MEMORY_CACHE = require('../../utils/limited_redis');
+const CONSTANTS = require('../../configs/constants');
+
+//! MIDDLEWARE
+const { globalCache } = require('../../patterns/LRU_Strategy.patterns');
+
+module.exports = {
+    /**
+     * @author Nguyễn Tiến Tài
+     * @created_at 14/03/2023
+     * @description Delete Cache
+     * @function handleDeleteCache
+     */
+    handleDeleteCache: async (key_cache_lru, key_cache_redis) => {
+        try {
+            // Check Key lru argothim
+            const check_key_lru_book_detail = globalCache.exitKeyCache(key_cache_lru);
+            if (check_key_lru_book_detail === CONSTANTS.YES) {
+                // Delete data cache lru argothim
+                globalCache.delCache(key_cache_lru);
+            }
+
+            // Check key Redis
+            const check_key_redis_book_all = await MEMORY_CACHE.existsKeyCache(key_cache_redis);
+            if (check_key_redis_book_all === CONSTANTS.YES) {
+                // Delete key Redis
+                MEMORY_CACHE.delKeyCache(key_cache_redis);
+            }
+            return false;
+        } catch (error) {
+            return true;
+        }
+    },
+    /**
+     * @author Nguyễn Tiến Tài
+     * @created_at 14/03/2023
+     * @description Save Cache Redis
+     * @function handleSetCacheRedis
+     */
+    handleSetCacheRedis: async (key_cache_redis, value, ttl) => {
+        try {
+            // Check key Redis
+            const check_key_redis_book_all = await MEMORY_CACHE.existsKeyCache(key_cache_redis);
+            if (check_key_redis_book_all === CONSTANTS.NO) {
+                // Set data Redis
+                MEMORY_CACHE.setCacheEx(key_cache_redis, JSON.stringify(value), ttl);
+            }
+            return false;
+        } catch (error) {
+            return true;
+        }
+    },
+    /**
+     * @author Nguyễn Tiến Tài
+     * @created_at 14/03/2023
+     * @description Save Cache LRU
+     * @function handleSetCacheRedis
+     */
+    handleSetCacheLRU: async (key_cache_lru, value) => {
+        try {
+            // Check Key lru argothim
+            const check_key_lru_book_detail = globalCache.exitKeyCache(key_cache_lru);
+            if (check_key_lru_book_detail === CONSTANTS.NO) {
+                // Add data cache lru argothim
+                globalCache.putCache(key_cache_lru, value);
+            }
+            return false;
+        } catch (error) {
+            return true;
+        }
+    },
+};
diff --git a/backend-manager-student/src/share/utils/random.js b/backend-manager-student/src/share/utils/random.js
@@ -61,4 +61,20 @@ module.exports = {
     generatorOtp() {
         return OtpGenerator.generate(CONFIGS.RANDOM_NUMBER_OTP, OPTION_OTP);
     },
+    /**
+     * @author Nguyễn Tiến Tài
+     * @param {null}
+     * @created_at 14/03/2023
+     * @description Random time ttl redis
+     * @returns {Number}
+     */
+    getRedisTTLWithRandom(initialTTL) {
+        // Số random được thêm vào (tính bằng mili giây)
+        const randomTime = Math.floor(Math.random() * CONSTANTS._1_HOURS_S_REDIS); // Tối đa 1 giờ
+
+        // Tổng thời gian TTL
+        const ttl = initialTTL + randomTime;
+
+        return ttl;
+    },
 };
diff --git a/backend-manager-student/src/user_api/v1/controllers/book.controllers/book.controller.js b/backend-manager-student/src/user_api/v1/controllers/book.controllers/book.controller.js
@@ -35,7 +35,7 @@ const bookController = {
 
             // detail book database
             const cache_lru_book = globalCache.getCache(key_cache_book_detail);
-            if (cache_lru_book !== -1) {
+            if (cache_lru_book !== CONSTANTS.NO) {
                 return res.status(200).json({
                     status: 200,
                     message: returnReasons('200'),
@@ -83,7 +83,7 @@ const bookController = {
         try {
             // detail book database
             const cache_lru_book = globalCache.getCache(CONSTANTS.KEY_REDIS.ALL_BOOK);
-            if (cache_lru_book !== -1) {
+            if (cache_lru_book !== CONSTANTS.NO) {
                 return res.status(200).json({
                     status: 200,
                     message: returnReasons('200'),

diff --git a/...ger-student/src/user_api/v1/controllers/borrow_book.controllers/borrow_book.controller.js b/...ger-student/src/user_api/v1/controllers/borrow_book.controllers/borrow_book.controller.js
@@ -4,7 +4,6 @@ const CONSTANTS = require('../../../../share/configs/constants');
 const RANDOMS = require('../../../../share/utils/random');
 
 //! MIDDLEWARE
-const { globalCache } = require('../../../../share/patterns/LRU_Strategy.patterns');
 const { returnReasons } = require('../../../../share/middleware/handle_error');
 
 //! MODEL
@@ -13,6 +12,7 @@ const borrowed_book_model = require('../../../../share/models/book_borrowed.mode
 
 //! SERVICE
 const book_service = require('../../../../share/services/user_service/book_service');
+const book_admin_service = require('../../../../share/services/admin_service/book_service');
 
 const BorrowBookController = {
     /**
@@ -128,8 +128,8 @@ const BorrowBookController = {
                     book_id,
                 });
 
-                // Delete data cache lru argothim
-                globalCache.delMultiCache(CONSTANTS.KEY_REDIS.ALL_BOOK, key_cache_book_detail);
+                // Delete Cache
+                book_admin_service.handleDeleteCache(key_cache_book_detail, CONSTANTS.KEY_REDIS.ALL_BOOK);
 
                 return res.status(200).json({
                     status: 200,