Implement variable count; fix listing all variables returning values for all users.

sqlx-data.json

@@ -42,6 +42,30 @@
       ]
     }
   },
+  "59313c67900a1a9399389720b522e572f181ae503559cd2b49d6305acb9e2207": {
+    "query": "SELECT key, value as \"value: i32\" FROM user_variables\n               WHERE room_id = ? AND user_id = ?",
+    "describe": {
+      "columns": [
+        {
+          "name": "key",
+          "ordinal": 0,
+          "type_info": "Text"
+        },
+        {
+          "name": "value: i32",
+          "ordinal": 1,
+          "type_info": "Int64"
+        }
+      ],
+      "parameters": {
+        "Right": 2
+      },
+      "nullable": [
+        false,
+        false
+      ]
+    }
+  },
   "636b1b868eaf04cd234fbf17747d94a66e81f7bc1b060ba14151dbfaf40eeefc": {
     "query": "SELECT value as \"value: i32\" FROM user_variables\n               WHERE user_id = ? AND room_id = ? AND key = ?",
     "describe": {
@@ -60,6 +84,24 @@
       ]
     }
   },
+  "711d222911c1258365a6a0de1fe00eeec4686fd3589e976e225ad599e7cfc75d": {
+    "query": "SELECT count(*) as \"count: i32\" FROM user_variables\n               WHERE room_id = ? and user_id = ?",
+    "describe": {
+      "columns": [
+        {
+          "name": "count: i32",
+          "ordinal": 0,
+          "type_info": "Int"
+        }
+      ],
+      "parameters": {
+        "Right": 2
+      },
+      "nullable": [
+        false
+      ]
+    }
+  },
   "ad52bc29fc1eef2bbff8b5f7316047f81ea31b1f910d0e0226125fea89530aa2": {
     "query": "SELECT room_id FROM room_users\n                        WHERE username = ?",
     "describe": {
@@ -113,29 +155,5 @@
         false
       ]
     }
-  },
-  "d6558668b7395b95ded8da71c80963ddde957abdcc3c68b03431f8e904e0d21f": {
-    "query": "SELECT key, value as \"value: i32\" FROM user_variables\n               WHERE room_id = ?",
-    "describe": {
-      "columns": [
-        {
-          "name": "key",
-          "ordinal": 0,
-          "type_info": "Text"
-        },
-        {
-          "name": "value: i32",
-          "ordinal": 1,
-          "type_info": "Int64"
-        }
-      ],
-      "parameters": {
-        "Right": 1
-      },
-      "nullable": [
-        false,
-        false
-      ]
-    }
   }
 }

src/db/sqlite/variables.rs

@@ -17,8 +17,9 @@ impl Variables for Database {
     ) -> Result<HashMap<String, i32>, DataError> {
         let rows = sqlx::query!(
             r#"SELECT key, value as "value: i32" FROM user_variables
-               WHERE room_id = ?"#,
+               WHERE room_id = ? AND user_id = ?"#,
             room_id,
+            user
         )
         .fetch_all(&self.conn)
         .await?;
@@ -27,7 +28,16 @@ impl Variables for Database {
     }
 
     async fn get_variable_count(&self, user: &str, room_id: &str) -> Result<i32, DataError> {
-        Ok(1)
+        let row = sqlx::query!(
+            r#"SELECT count(*) as "count: i32" FROM user_variables
+               WHERE room_id = ? and user_id = ?"#,
+            room_id,
+            user
+        )
+        .fetch_optional(&self.conn)
+        .await?;
+
+        Ok(row.map(|r| r.count).unwrap_or(0))
     }
 
     async fn get_user_variable(