Feat/dx 1222 fetch asset by query

Contentstack/AssetLibrary.h

@@ -230,6 +230,24 @@ typedef NS_ENUM(NSUInteger, OrderBy) {
  */
 
 - (void)fetchAll:(void (^) (ResponseType type,NSArray<Asset *> * BUILT_NULLABLE_P result,NSError * BUILT_NULLABLE_P error))completionBlock;
+
+/**
+ This method fetches assets using other fields than UID..
+
+      //Obj-C
+      [assetLib where:(NSString *)field equalTo:(NSObject *)value];
+
+      //Swift
+      assetLib.where("fieldName","value");
+
+ This allows filtering assets by specifying the field name and the value to match.
+ @param field The name of the field to filter by.
+ @param value The value that the field should match.
+ */
+- (void)where:(NSString *)field equalTo:(NSObject *)value ;
+
+- (NSDictionary*)getPostParamDictionary;
+
 @end
 
 BUILT_ASSUME_NONNULL_END

Contentstack/AssetLibrary.m

@@ -156,6 +156,25 @@ - (void)cancelRequest {
         [self.requestOperation cancel];
     }
 }
+// MARK: - Where Query -
+- (NSDictionary*) getPostParamDictionary {
+    return [self.postParamDictionary copy];
+}
+
+- (void)where:(NSString *)field equalTo:(NSObject *)value {
+    if (field.length == 0 || !value) {
+        NSLog(@"Field or value cannot be empty");
+        return;
+    }
+    NSMutableDictionary *queryDict = [NSMutableDictionary dictionary];
+    NSDictionary *existingQuery = self.postParamDictionary[@"query"];
+    // If an existing query exists, merge it
+    if (existingQuery) {
+        [queryDict addEntriesFromDictionary:existingQuery];
+    }
+    queryDict[field] = value;
+    [self.postParamDictionary setObject:queryDict forKey:@"query"];
+}
 
 
 @end

ContentstackTest/ContentstackTest.m

@@ -203,6 +203,88 @@ - (void)test04FetchAssets {
     [self waitForRequest];
 }
 
+- (void)testFetchAssetByQuery01{
+    XCTestExpectation *expectation = [self expectationWithDescription:@"Fetch Asset By where method"];
+    AssetLibrary* assets = [csStack assetLibrary];
+    [assets where:@"title" equalTo:@"image1"];
+    [assets fetchAll:^(ResponseType type, NSArray *result, NSError *error) {
+        if (error) {
+            XCTFail(@"~ ERR: %@, Message = %@", error.userInfo, error.description);
+        } else {
+            XCTAssert(type == NETWORK, @"Pass");
+            XCTAssertNil(error, @"Expected no error, but got: %@", error.userInfo);
+            XCTAssert(result.count > 0, @"Expected results, but got none.");
+        }
+        [expectation fulfill];
+    }];
+    [self waitForRequest];
+}
+
+- (void)testFetchAssetsByValidFileSize02 {
+    XCTestExpectation *expectation = [self expectationWithDescription:@"Fetch Asset By valid file size"];
+    AssetLibrary *assets = [csStack assetLibrary];
+    [assets where:@"file_size" equalTo:@(53986)]; // Valid file size
+    [assets fetchAll:^(ResponseType type, NSArray *result, NSError *error) {
+        XCTAssert(type == NETWORK, @"Pass");
+        XCTAssertNil(error, @"Expected no error, but got: %@", error.userInfo);
+        XCTAssert(result.count > 0, @"Expected results, but got none.");
+        [expectation fulfill];
+    }];
+    [self waitForRequest];
+}
+
+- (void)testFetchAssetsByNonExistentFileSize03 {
+    XCTestExpectation *expectation = [self expectationWithDescription:@"Fetch Asset By non-existent file size"];
+    AssetLibrary *assets = [csStack assetLibrary];
+    [assets where:@"file_size" equalTo:@(9999999)]; // Non-existent file size
+    [assets fetchAll:^(ResponseType type, NSArray *result, NSError *error) {
+        XCTAssert(type == NETWORK, @"Pass");
+        XCTAssertNil(error, @"Expected no error, but got: %@", error.userInfo);
+        XCTAssertEqual(result.count, 0, @"Expected no results, but got some.");
+        [expectation fulfill];
+    }];
+    [self waitForRequest];
+}
+
+- (void)testFetchAssetsByNonExistentTitle04 {
+    XCTestExpectation *expectation = [self expectationWithDescription:@"Fetch Asset By non-existent title"];
+    AssetLibrary *assets = [csStack assetLibrary];
+    [assets where:@"title" equalTo:@"non-existent-title.png"]; // Non-existent title
+    [assets fetchAll:^(ResponseType type, NSArray *result, NSError *error) {
+        XCTAssert(type == NETWORK, @"Pass");
+        XCTAssertNil(error, @"Expected no error, but got: %@", error.userInfo);
+        XCTAssertEqual(result.count, 0, @"Expected no results, but got some.");
+        [expectation fulfill];
+    }];
+    [self waitForRequest];
+}
+
+- (void)testFetchAssetsByMultipleConditions05 {
+    XCTestExpectation *expectation = [self expectationWithDescription:@"Fetch Asset By multiple conditions"];
+    AssetLibrary *assets = [csStack assetLibrary];
+    [assets where:@"file_size" equalTo:@(6884)]; // Valid file size
+    [assets where:@"title" equalTo:@"image4"]; // Valid title
+    [assets fetchAll:^(ResponseType type, NSArray *result, NSError *error) {
+        XCTAssert(type == NETWORK, @"Pass");
+        XCTAssertNil(error, @"Expected no error, but got: %@", error.userInfo);
+        XCTAssert(result.count > 0, @"Expected results, but got none.");
+        [expectation fulfill];
+    }];
+    [self waitForRequest];
+}
+
+- (void)testFetchAssetsByInvalidFieldName06 {
+    XCTestExpectation *expectation = [self expectationWithDescription:@"Fetch Asset By invalid field name"];
+    AssetLibrary *assets = [csStack assetLibrary];
+    [assets where:@"invalid_field" equalTo:@"value"]; // Invalid field name
+    [assets fetchAll:^(ResponseType type, NSArray *result, NSError *error) {
+        XCTAssert(type == NETWORK, @"Pass");
+        XCTAssertNil(error, @"Expected no error, but got: %@", error.userInfo);
+        XCTAssertEqual(result.count, 0, @"Expected no results.");
+        [expectation fulfill];
+    }];
+    [self waitForRequest];
+}
 
 - (void)testGetHeader {
     XCTestExpectation *expectation = [self expectationWithDescription:@"Fetch Set Header"];