From e45d67252c9001818a35ea57ee5f88b1ef6ca454 Mon Sep 17 00:00:00 2001
From: John Rommel Estropia <rommel.estropia@gmail.com>
Date: Wed, 20 Sep 2017 00:24:03 +0900
Subject: [PATCH] CoreStore querying utilities

---
 Sources/CoreStore+Querying.swift | 42 ++++++++++++++++++++++++++++++++
 Sources/CoreStoreBridge.h        |  2 +-
 2 files changed, 43 insertions(+), 1 deletion(-)

diff --git a/Sources/CoreStore+Querying.swift b/Sources/CoreStore+Querying.swift
index 3d403ef..9e275bb 100644
--- a/Sources/CoreStore+Querying.swift
+++ b/Sources/CoreStore+Querying.swift
@@ -99,6 +99,12 @@ public extension CoreStore {
         return self.defaultStack.fetchOne(from, fetchClauses)
     }
     
+    // TODO: docs
+    public static func fetchOne<B: FetchChainableBuilderType>(_ clauseChain: B) -> B.ObjectType? {
+        
+        return self.defaultStack.fetchOne(clauseChain)
+    }
+    
     /**
      Using the `defaultStack`, fetches all `DynamicObject` instances that satisfy the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
      
@@ -123,6 +129,12 @@ public extension CoreStore {
         return self.defaultStack.fetchAll(from, fetchClauses)
     }
     
+    // TODO: docs
+    public static func fetchAll<B: FetchChainableBuilderType>(_ clauseChain: B) -> [B.ObjectType]? {
+        
+        return self.defaultStack.fetchAll(clauseChain)
+    }
+    
     /**
      Using the `defaultStack`, fetches the number of `DynamicObject`s that satisfy the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
      
@@ -147,6 +159,12 @@ public extension CoreStore {
         return self.defaultStack.fetchCount(from, fetchClauses)
     }
     
+    // TODO: docs
+    public static func fetchCount<B: FetchChainableBuilderType>(_ clauseChain: B) -> Int? {
+        
+        return self.defaultStack.fetchCount(clauseChain)
+    }
+    
     /**
      Using the `defaultStack`, fetches the `NSManagedObjectID` for the first `DynamicObject` that satisfies the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
      
@@ -171,6 +189,12 @@ public extension CoreStore {
         return self.defaultStack.fetchObjectID(from, fetchClauses)
     }
     
+    // TODO: docs
+    public static func fetchObjectID<B: FetchChainableBuilderType>(_ clauseChain: B) -> NSManagedObjectID? {
+        
+        return self.defaultStack.fetchObjectID(clauseChain)
+    }
+    
     /**
      Using the `defaultStack`, fetches the `NSManagedObjectID` for all `DynamicObject`s that satisfy the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
      
@@ -195,6 +219,12 @@ public extension CoreStore {
         return self.defaultStack.fetchObjectIDs(from, fetchClauses)
     }
     
+    // TODO: docs
+    public static func fetchObjectIDs<B: FetchChainableBuilderType>(_ clauseChain: B) -> [NSManagedObjectID]? {
+        
+        return self.defaultStack.fetchObjectIDs(clauseChain)
+    }
+    
     /**
      Using the `defaultStack`, queries aggregate values as specified by the `QueryClause`s. Requires at least a `Select` clause, and optional `Where`, `OrderBy`, `GroupBy`, and `Tweak` clauses.
      
@@ -225,6 +255,12 @@ public extension CoreStore {
         return self.defaultStack.queryValue(from, selectClause, queryClauses)
     }
     
+    // TODO: docs
+    public static func queryValue<B: QueryChainableBuilderType>(_ clauseChain: B) -> B.ResultType? where B.ResultType: QueryableAttributeType {
+        
+        return self.defaultStack.queryValue(clauseChain)
+    }
+    
     /**
      Using the `defaultStack`, queries a dictionary of attribtue values as specified by the `QueryClause`s. Requires at least a `Select` clause, and optional `Where`, `OrderBy`, `GroupBy`, and `Tweak` clauses.
      
@@ -254,4 +290,10 @@ public extension CoreStore {
         
         return self.defaultStack.queryAttributes(from, selectClause, queryClauses)
     }
+    
+    // TODO: docs
+    public static func queryAttributes<B: QueryChainableBuilderType>(_ clauseChain: B) -> [[String: Any]]? where B.ResultType == NSDictionary {
+        
+        return self.defaultStack.queryAttributes(clauseChain)
+    }
 }
diff --git a/Sources/CoreStoreBridge.h b/Sources/CoreStoreBridge.h
index 43dfc6d..5762ce2 100644
--- a/Sources/CoreStoreBridge.h
+++ b/Sources/CoreStoreBridge.h
@@ -477,7 +477,7 @@ CSSelect *_Nonnull CSSelectData(CSSelectTerm *_Nonnull selectTerm) CORESTORE_RET
  a <tt>CSSelect</tt> clause for querying an <tt>NSManagedObjectID</tt> value
  */
 CORESTORE_EXTERN
-CSSelect *_Nonnull CSSelectObjectID() CORESTORE_RETURNS_RETAINED;
+CSSelect *_Nonnull CSSelectObjectID(void) CORESTORE_RETURNS_RETAINED;
 
 
 #pragma mark CSTweak