From 324c98dfa423119c2a775b08680cbb781e1a17d6 Mon Sep 17 00:00:00 2001
From: "Timothy J. Warren" <tim@timshomepage.net>
Date: Wed, 10 Apr 2019 19:37:02 -0400
Subject: [PATCH] Rough implementation of LIKE methods

---
 src/query_builder.rs | 56 ++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 52 insertions(+), 4 deletions(-)

diff --git a/src/query_builder.rs b/src/query_builder.rs
index d7e7e18..bd2a1a6 100644
--- a/src/query_builder.rs
+++ b/src/query_builder.rs
@@ -154,6 +154,12 @@ impl QueryState {
         self
     }
 
+    pub fn append_where_values(&mut self, val: Box<dyn Any>) -> &mut Self {
+        self.where_values.push(val);
+
+        self
+    }
+
     pub fn append_query_map(
         &mut self,
         clause_type: QueryClauseType,
@@ -243,9 +249,11 @@ impl QueryBuilder {
 
     /// Creates a `like` clause in the sql statement
     pub fn like(&mut self, field: &str, value: Box<dyn Any>, position: LikeWildcard) -> &mut Self {
-        unimplemented!();
+        self._like(field, value, position, "LIKE", "AND")
     }
 
+
+
     /// Generates an OR Like clause
     pub fn or_like(
         &mut self,
@@ -253,7 +261,7 @@ impl QueryBuilder {
         value: Box<dyn Any>,
         position: LikeWildcard,
     ) -> &mut Self {
-        unimplemented!();
+        self._like(field, value, position, "LIKE", "OR")
     }
 
     /// Generates a NOI Like clause
@@ -263,7 +271,7 @@ impl QueryBuilder {
         value: Box<dyn Any>,
         position: LikeWildcard,
     ) -> &mut Self {
-        unimplemented!();
+        self._like(field, value, position, "NOT LIKE", "AND")
     }
 
     /// Generates an OR NOT Like clause
@@ -273,7 +281,7 @@ impl QueryBuilder {
         value: Box<dyn Any>,
         position: LikeWildcard,
     ) -> &mut Self {
-        unimplemented!();
+        self._like(field, value, position, "NOT LIKE", "OR")
     }
 
     // --------------------------------------------------------------------------
@@ -575,6 +583,46 @@ impl QueryBuilder {
     // ! Implementation Details
     // --------------------------------------------------------------------------
 
+    fn _like(&mut self, field: &str, value: Box<dyn Any>, position: LikeWildcard, like: &str, conj: &str) -> &mut Self {
+        let field = self.driver.quote_identifier(field);
+
+        let like = format!("{} {} ?", field, like);
+
+        // @TODO Properly parse types of `value` for string formatting
+        let value = match position {
+            LikeWildcard::Before => format!("%{:?}", value),
+            LikeWildcard::After => format!("{:?}%s", value),
+            LikeWildcard::Both => format!("%{:?}%", value),
+        };
+
+        let conj = if self.state.query_map.len() == 0 {
+            " WHERE "
+        } else {
+            conj
+        };
+
+        self.state.append_query_map(QueryClauseType::Like, conj, &like);
+        self.state.append_where_values(Box::new(value));
+
+        self
+    }
+
+    fn _where(key: &str, values: Vec<Box<dyn Any>>) -> HashMap<String, Box<dyn Any>> {
+        unimplemented!();
+    }
+
+    fn _where_in(&mut self, key: &str, values: Vec<Box<dyn Any>>) -> &mut Self {
+        unimplemented!();
+    }
+
+    fn _where_in_string(&mut self, key: &str, values: Vec<Box<dyn Any>>) -> &mut Self {
+        unimplemented!();
+    }
+
+    fn _where_string(&mut self, key: &str, value: Box<dyn Any>) -> &mut Self {
+        unimplemented!();
+    }
+
     fn compile(&self, query_type: QueryType, table: &str) -> String {
         unimplemented!();
     }