feat: handle comparison "starts with" for text condition

- rewrite statement generation to handle errors
- align "exactly match" with case insensitiveness of starts with

01.workspace/heave/src/fun/sqlite_build_params.rs

@@ -4,12 +4,43 @@ use rusqlite::*;
 pub fn run<'a>(filter: &'a Filter) -> Result<Vec<Box<dyn ToSql + 'a>>, FailedTo> {
     let mut params: Vec<Box<dyn ToSql>> = Vec::new();
     for condition in filter.conditions() {
-        let (_, _, condition) = condition;
-        match condition {
-            Condition::Bool(value) => params.push(Box::new(value)),
-            Condition::SignedInt(value) => params.push(Box::new(value)),
-            Condition::UnsignedInt(value) => params.push(Box::new(value)),
-            Condition::Text(value) => params.push(Box::new(value)),
+        let (_, comparison, condition) = condition;
+        match (comparison, condition) {
+            // BOOL
+            (Comparison::Equal, Condition::Bool(value)) => params.push(Box::new(value)),
+            // SIGNED INT
+            (Comparison::Equal, Condition::SignedInt(value)) => params.push(Box::new(value)),
+            (Comparison::Greater, Condition::SignedInt(value)) => params.push(Box::new(value)),
+            (Comparison::Lesser, Condition::SignedInt(value)) => params.push(Box::new(value)),
+            (Comparison::GreaterOrEqual, Condition::SignedInt(value)) => {
+                params.push(Box::new(value))
+            }
+            (Comparison::LesserOrEqual, Condition::SignedInt(value)) => {
+                params.push(Box::new(value))
+            }
+            // UNSIGNED INT
+            (Comparison::Equal, Condition::UnsignedInt(value)) => params.push(Box::new(value)),
+            (Comparison::Greater, Condition::UnsignedInt(value)) => params.push(Box::new(value)),
+            (Comparison::Lesser, Condition::UnsignedInt(value)) => params.push(Box::new(value)),
+            (Comparison::GreaterOrEqual, Condition::UnsignedInt(value)) => {
+                params.push(Box::new(value))
+            }
+            (Comparison::LesserOrEqual, Condition::UnsignedInt(value)) => {
+                params.push(Box::new(value))
+            }
+            // TEXT
+            (Comparison::IsExactly, Condition::Text(value)) => params.push(Box::new(value)),
+            (Comparison::StartsWith, Condition::Text(value)) => {
+                params.push(Box::new(format!("{}%", value)))
+            }
+            (Comparison::EndsWith, Condition::Text(value)) => {
+                params.push(Box::new(format!("%{}", value)))
+            }
+            (Comparison::Contains, Condition::Text(value)) => {
+                params.push(Box::new(format!("%{}%", value)))
+            }
+            // ERROR
+            _ => return Err(FailedTo::ComposeFilter),
         }
     }
     Ok(params)

01.workspace/heave/src/fun/sqlite_build_statement.rs

@@ -61,7 +61,10 @@ pub fn run(filter: &Filter) -> Result<String, FailedTo> {
             (_, Condition::UnsignedInt(_)) => return Err(FailedTo::ComposeFilter),
             // TEXT
             (Comparison::IsExactly, Condition::Text(_)) => {
-                compose_fragment(name, "value_text", "=", i + 1)
+                compose_fragment(name, "value_text", "LIKE", i + 1)
+            }
+            (Comparison::StartsWith, Condition::Text(_)) => {
+                compose_fragment(name, "value_text", "LIKE", i + 1)
             }
             _ => todo!(),
         };

01.workspace/heave/src/str/catalog.rs

@@ -2321,11 +2321,12 @@ mod tests {
         let filter = Filter::new().with_text("name", Comparison::IsExactly, "Item");
         assert!(catalog.load_by_filter(&filter).is_ok());
         assert!(catalog.items.is_empty());
-        // Case sensitive match
+        // Case insensitive match
         let mut catalog = Catalog::new(db_path);
         let filter = Filter::new().with_text("name", Comparison::IsExactly, "item one");
         assert!(catalog.load_by_filter(&filter).is_ok());
-        assert!(catalog.items.is_empty());
+        assert_eq!(catalog.items.len(), 1);
+        assert!(catalog.items.contains_key("item-1"));
         // No match
         let mut catalog = Catalog::new(db_path);
         let filter = Filter::new().with_text("name", Comparison::IsExactly, "Item Four");
@@ -2333,4 +2334,73 @@ mod tests {
         assert!(catalog.items.is_empty());
         std::fs::remove_file(path).unwrap();
     }
+    #[test]
+    fn load_by_filter_should_load_text_starts_with_comparisons() {
+        let db_path = "target/test_dbs/lbf_text_starts_with_comparisons.db";
+        let path = std::path::Path::new(db_path);
+        std::fs::create_dir_all(path.parent().unwrap()).unwrap();
+        if path.exists() {
+            std::fs::remove_file(path).unwrap();
+        }
+        let mut catalog_setup = Catalog::new(db_path);
+        catalog_setup.init().unwrap();
+        let items = vec![
+            Item {
+                id: "item-1".to_string(),
+                name: "Item One".to_string(),
+                price: 100,
+                sell_trend: 0,
+                in_stock: true,
+            },
+            Item {
+                id: "item-2".to_string(),
+                name: "Item Two".to_string(),
+                price: 200,
+                sell_trend: 0,
+                in_stock: false,
+            },
+            Item {
+                id: "item-3".to_string(),
+                name: "Another Item".to_string(),
+                price: 300,
+                sell_trend: 0,
+                in_stock: true,
+            },
+        ];
+        catalog_setup.insert_many(items).unwrap();
+        catalog_setup.persist().unwrap();
+        // Starts with "Item"
+        let mut catalog = Catalog::new(db_path);
+        let filter = Filter::new().with_text("name", Comparison::StartsWith, "Item");
+        assert!(catalog.load_by_filter(&filter).is_ok());
+        assert_eq!(catalog.items.len(), 2);
+        assert!(catalog.items.contains_key("item-1"));
+        assert!(catalog.items.contains_key("item-2"));
+        // Starts with "I"
+        let mut catalog = Catalog::new(db_path);
+        let filter = Filter::new().with_text("name", Comparison::StartsWith, "I");
+        assert!(catalog.load_by_filter(&filter).is_ok());
+        assert_eq!(catalog.items.len(), 2);
+        assert!(catalog.items.contains_key("item-1"));
+        assert!(catalog.items.contains_key("item-2"));
+        // No match
+        let mut catalog = Catalog::new(db_path);
+        let filter = Filter::new().with_text("name", Comparison::StartsWith, "Z");
+        assert!(catalog.load_by_filter(&filter).is_ok());
+        assert!(catalog.items.is_empty());
+        // Case insensitive
+        let mut catalog = Catalog::new(db_path);
+        let filter = Filter::new().with_text("name", Comparison::StartsWith, "item");
+        assert!(catalog.load_by_filter(&filter).is_ok());
+        assert_eq!(catalog.items.len(), 2);
+        assert!(catalog.items.contains_key("item-1"));
+        assert!(catalog.items.contains_key("item-2"));
+        // Full string match
+        let mut catalog = Catalog::new(db_path);
+        let filter = Filter::new().with_text("name", Comparison::StartsWith, "Item One");
+        assert!(catalog.load_by_filter(&filter).is_ok());
+        assert_eq!(catalog.items.len(), 1);
+        assert!(catalog.items.contains_key("item-1"));
+        std::fs::remove_file(path).unwrap();
+    }
 }