Patch api (completed one) (#5)

* patch api.js

* fixup /report time query

* some formats by vscode

* revert sqlite3 part

* revert sqlite3 part

* more format

.gitignore

@@ -12,3 +12,4 @@ upload/
 plan.md
 query.sql
 test*
+/tools/api.js

tools/patch-api.js

+const fs = require('fs');
+let content = fs.readFileSync("./routes/api.js", "utf8");
+let sql_queries = content.match(/`((select|SELECT|update|UPDATE|insert|INSERT|delete|DELETE)([^`]+)`)/g);
+let replaces = [];
+//let test = sql_queries[35].match(/'\${[^']+}'/g);
+//let test = sql_queries[63].match(/[^']\${[^}]+}[^']/g);
+//console.log(test);
+for (let sql of sql_queries) { 
+	const strings = sql.match(/'\${[^}]+}'/g) || [];
+	const numbers = (sql.match(/[^'%]\${[^}]+}[^'%]/g) || []).map(m => m.substring(1, m.length - 1));
+	const strings_like = sql.match(/'%\${[^}]+}%'/g) || [];
+	let replaced_sql = sql;
+	let values = [];
+	let reused = false
+	const handle_pattern = (pattern, var_name) => { 
+		const var_index = values.indexOf(var_name)
+		if (var_index !== -1) {
+			//console.log("reuse", var_name);
+			reused = true;
+			replaced_sql = replaced_sql.replace(pattern, `$${var_index + 1}`);
+		} else { 
+			//console.log("add", var_name);
+			values.push(var_name);
+			replaced_sql = replaced_sql.replace(pattern, `$${values.length}`);
+		}
+	}
+	for (let pattern of strings) { 
+		const var_name_raw = pattern.match(/^'\${([^}]+)}'$/)[1];
+		const var_name = var_name_raw;
+		//console.log(pattern, var_name);
+		handle_pattern(pattern, var_name);
+
+	}
+	for (let pattern of numbers) { 
+		const var_name_raw = pattern.match(/^\${([^}]+)}$/)[1];
+		const var_name = `parseFloat(${var_name_raw})`;
+		//console.log(pattern, var_name);
+		handle_pattern(pattern, var_name);
+	}
+	for (let pattern of strings_like) { 
+		const var_name_raw = pattern.match(/^'%\${([^}]+)}%'$/)[1];
+		const var_name = `"%" + (${var_name_raw}) + "%"`;
+		//console.log(pattern, var_name);
+		handle_pattern(pattern, var_name);
+	}
+	if (!values.length) { 
+		continue;
+	}
+	const replaced_pattern = `{text: ${replaced_sql}, values: [${values.join(", ")}]}`
+	//console.log(sql, replaced_pattern);
+	replaces.push({
+		sql,
+		replaced_pattern
+	});
+}
+for (let rep of replaces) { 
+	content = content.replace(rep.sql, rep.replaced_pattern);
+}
+fs.writeFileSync("tools/api.js", content);