Create initial databases plugin structure.

Reviewed By: lblasa

Differential Revision: D48172580

fbshipit-source-id: d000329c2fe8ebc12f59e3165861b1e8033ddbbe

iOS/Plugins/FlipperKitDatabasesPlugin/FlipperKitDatabasesPlugin/FlipperKitDatabasesPlugin.h

@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <FlipperKit/FlipperPlugin.h>
+#import <Foundation/Foundation.h>
+
+@interface FlipperKitDatabasesPlugin : NSObject<FlipperPlugin>
+- (instancetype)init NS_UNAVAILABLE;
++ (instancetype)sharedInstance;
+
+@end

iOS/Plugins/FlipperKitDatabasesPlugin/FlipperKitDatabasesPlugin/FlipperKitDatabasesPlugin.mm

@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#if FB_SONARKIT_ENABLED
+#import "FlipperKitDatabasesPlugin.h"
+#import <FlipperKit/FlipperClient.h>
+#import <FlipperKit/FlipperConnection.h>
+#import <FlipperKit/FlipperResponder.h>
+
+@interface FlipperKitDatabasesPlugin ()
+@property(strong, nonatomic) id<FlipperConnection> connection;
+
+@end
+
+@implementation FlipperKitDatabasesPlugin
+
+- (instancetype)init {
+  if (self = [super init]) {
+  }
+  return self;
+}
+
++ (instancetype)sharedInstance {
+  static FlipperKitDatabasesPlugin* sInstance = nil;
+
+  static dispatch_once_t onceToken;
+  dispatch_once(&onceToken, ^{
+    sInstance = [FlipperKitDatabasesPlugin new];
+  });
+
+  return sInstance;
+}
+
+- (void)didConnect:(id<FlipperConnection>)connection {
+  self.connection = connection;
+
+  // Define connection event handlers
+
+  // databaseList
+  [connection
+        receive:@"databaseList"
+      withBlock:^(NSDictionary* params, id<FlipperResponder> responder) {
+        NSMutableDictionary* response = [NSMutableDictionary dictionary];
+
+        response[@1] = @{
+          @"id" : @1,
+          @"name" : @"Provider1",
+          @"tables" : @[ @"Table1_1", @"Table1_2", @"Table1_3" ]
+        };
+        response[@2] = @{
+          @"id" : @2,
+          @"name" : @"Provider2",
+          @"tables" : @[ @"Table2_1", @"Table2_2" ]
+        };
+        response[@3] =
+            @{@"id" : @3,
+              @"name" : @"Provider3",
+              @"tables" : @[ @"Table3_1" ]};
+        [responder success:response];
+      }];
+
+  // getTableData
+  [connection receive:@"getTableData"
+            withBlock:^(NSDictionary* params, id<FlipperResponder> responder){
+
+            }];
+
+  // getTableStructure
+  [connection receive:@"getTableStructure"
+            withBlock:^(NSDictionary* params, id<FlipperResponder> responder){
+            }];
+
+  // getTableInfo
+  [connection receive:@"getTableInfo"
+            withBlock:^(NSDictionary* params, id<FlipperResponder> responder){
+            }];
+
+  // execute
+  [connection receive:@"execute"
+            withBlock:^(NSDictionary*, id<FlipperResponder> responder){
+            }];
+}
+
+- (void)didDisconnect {
+  self.connection = nil;
+}
+
+- (NSString*)identifier {
+  return @"Databases";
+}
+
+- (BOOL)runInBackground {
+  return YES;
+}
+
+@end
+
+#endif