feat: add api

db/db.ts

@@ -0,0 +1,11 @@
+import { Kysely, ParseJSONResultsPlugin } from "kysely";
+import { DB as Sqlite } from "sqlite";
+import { DenoSqliteDialect } from "./deno-sqlite-dialect.ts";
+import { Database } from "./type.ts";
+
+export const db = new Kysely<Database>({
+    dialect: new DenoSqliteDialect({
+        database: new Sqlite("stock.db")
+    }),
+    plugins: [new ParseJSONResultsPlugin()]
+});

db/deno-sqlite-dialect-config.ts

@@ -0,0 +1,27 @@
+/// The MIT License (MIT)
+/// Copyright (c) 2023 Alex Gleason
+/// Copyright (c) 2022 Sami Koskimäki
+/// https://gitlab.com/soapbox-pub/kysely-deno-sqlite
+
+import type { SqliteDialectConfig } from 'kysely';
+
+/** Type compatible with both [dyedgreen/deno-sqlite](https://github.com/dyedgreen/deno-sqlite) and [denodrivers/sqlite3](https://github.com/denodrivers/sqlite3). */
+type DenoSqlite =
+  & {
+    close(): void;
+    changes: number;
+    lastInsertRowId: number;
+  }
+  & ({
+    queryEntries(sql: string, params: any): unknown[];
+  } | {
+    prepare(sql: string): {
+      all(...params: any): unknown[];
+    };
+  });
+
+interface DenoSqliteDialectConfig extends Omit<SqliteDialectConfig, 'database'> {
+  database: DenoSqlite | (() => Promise<DenoSqlite>);
+}
+
+export type { DenoSqlite, DenoSqliteDialectConfig };

db/deno-sqlite-dialect.ts

@@ -0,0 +1,49 @@
+/// The MIT License (MIT)
+/// Copyright (c) 2023 Alex Gleason
+/// Copyright (c) 2022 Sami Koskimäki
+/// https://gitlab.com/soapbox-pub/kysely-deno-sqlite
+
+import {
+    type DatabaseIntrospector,
+    type Dialect,
+    type DialectAdapter,
+    type Driver,
+    Kysely,
+    type QueryCompiler,
+    SqliteAdapter,
+    SqliteIntrospector,
+    SqliteQueryCompiler,
+  } from 'kysely';
+  
+  import { DenoSqliteDriver } from './kysely-sqlite-driver.ts';
+  
+  import type { DenoSqliteDialectConfig } from './deno-sqlite-dialect-config.ts';
+  
+  class DenoSqliteDialect implements Dialect {
+    readonly #config: DenoSqliteDialectConfig;
+  
+    constructor(config: DenoSqliteDialectConfig) {
+      this.#config = Object.freeze({ ...config });
+    }
+  
+    createDriver(): Driver {
+      return new DenoSqliteDriver(this.#config);
+    }
+  
+    createQueryCompiler(): QueryCompiler {
+      return new SqliteQueryCompiler();
+    }
+  
+    createAdapter(): DialectAdapter {
+      return new SqliteAdapter();
+    }
+
+    // deno-lint-ignore no-explicit-any
+    createIntrospector(db: Kysely<any>): DatabaseIntrospector {
+      return new SqliteIntrospector(db);
+    }
+  }
+  
+  export { DenoSqliteDialect };
+  
+  

db/kysely-sqlite-driver.ts

@@ -0,0 +1,112 @@
+/// The MIT License (MIT)
+/// Copyright (c) 2023 Alex Gleason
+/// Copyright (c) 2022 Sami Koskimäki
+/// https://gitlab.com/soapbox-pub/kysely-deno-sqlite
+
+import { CompiledQuery, type DatabaseConnection, type Driver, type QueryResult } from 'kysely';
+
+import type { DenoSqlite, DenoSqliteDialectConfig } from './deno-sqlite-dialect-config.ts';
+
+class DenoSqliteDriver implements Driver {
+  readonly #config: DenoSqliteDialectConfig;
+  readonly #connectionMutex = new ConnectionMutex();
+
+  #db?: DenoSqlite;
+  #connection?: DatabaseConnection;
+
+  constructor(config: DenoSqliteDialectConfig) {
+    this.#config = Object.freeze({ ...config });
+  }
+
+  async init(): Promise<void> {
+    this.#db = typeof this.#config.database === 'function' ? await this.#config.database() : this.#config.database;
+
+    this.#connection = new DenoSqliteConnection(this.#db);
+
+    if (this.#config.onCreateConnection) {
+      await this.#config.onCreateConnection(this.#connection);
+    }
+  }
+
+  async acquireConnection(): Promise<DatabaseConnection> {
+    // SQLite only has one single connection. We use a mutex here to wait
+    // until the single connection has been released.
+    await this.#connectionMutex.lock();
+    return this.#connection!;
+  }
+
+  async beginTransaction(connection: DatabaseConnection): Promise<void> {
+    await connection.executeQuery(CompiledQuery.raw('begin'));
+  }
+
+  async commitTransaction(connection: DatabaseConnection): Promise<void> {
+    await connection.executeQuery(CompiledQuery.raw('commit'));
+  }
+
+  async rollbackTransaction(connection: DatabaseConnection): Promise<void> {
+    await connection.executeQuery(CompiledQuery.raw('rollback'));
+  }
+
+  // deno-lint-ignore require-await
+  async releaseConnection(): Promise<void> {
+    this.#connectionMutex.unlock();
+  }
+
+  // deno-lint-ignore require-await
+  async destroy(): Promise<void> {
+    this.#db?.close();
+  }
+}
+
+class DenoSqliteConnection implements DatabaseConnection {
+  readonly #db: DenoSqlite;
+
+  constructor(db: DenoSqlite) {
+    this.#db = db;
+  }
+
+  executeQuery<O>({ sql, parameters }: CompiledQuery): Promise<QueryResult<O>> {
+    const rows = 'queryEntries' in this.#db
+      ? this.#db.queryEntries(sql, parameters)
+      : this.#db.prepare(sql).all(...parameters);
+
+    const { changes, lastInsertRowId } = this.#db;
+
+    return Promise.resolve({
+      rows: rows as O[],
+      numAffectedRows: BigInt(changes),
+      insertId: BigInt(lastInsertRowId),
+    });
+  }
+
+  // deno-lint-ignore require-yield
+  async *streamQuery<R>(): AsyncIterableIterator<QueryResult<R>> {
+    throw new Error('Sqlite driver doesn\'t support streaming');
+  }
+}
+
+class ConnectionMutex {
+  #promise?: Promise<void>;
+  #resolve?: () => void;
+
+  async lock(): Promise<void> {
+    while (this.#promise) {
+      await this.#promise;
+    }
+
+    this.#promise = new Promise((resolve) => {
+      this.#resolve = resolve;
+    });
+  }
+
+  unlock(): void {
+    const resolve = this.#resolve;
+
+    this.#promise = undefined;
+    this.#resolve = undefined;
+
+    resolve?.();
+  }
+}
+
+export { DenoSqliteDriver };

db/type.ts

@@ -0,0 +1,64 @@
+import { ColumnType, Generated, Insertable, Selectable, Updateable } from "kysely";
+
+/**
+ * "Code"	TEXT,
+	"Date"	TEXT,
+	"Close"	INTEGER NOT NULL,
+	"Diff"	INTEGER NOT NULL,
+	"Open"	INTEGER NOT NULL,
+	"High"	INTEGER NOT NULL,
+	"Low"	INTEGER NOT NULL,
+	"Volume"	INTEGER NOT NULL,
+ */
+
+export interface StockTable {
+    Code: string;
+    Date: string;
+    Close: number;
+    Diff: number;
+    Open: number;
+    High: number;
+    Low: number;
+    Volume: number;
+}
+
+export interface KRXCorpTable{
+    Name: string;
+    /**
+     * PK
+     */
+    Code: string;
+
+    Sector: string;
+    Product: string;
+    ListingDay: string;
+    ClosingMonth: string;
+    Representative: string;
+    Homepage: string;
+    AddressArea: string;
+    LastUpdate: string;
+}
+
+export interface KOSPITable{
+    Name: string;
+    /**
+     * PK
+     */
+    Code: string;
+}
+
+export interface KOSDAQTable{
+    Name: string;
+    /**
+     * PK
+     */
+    Code: string;
+}
+
+
+export interface Database {
+    stock: StockTable;
+    KRXCorp: KRXCorpTable;
+    KOSPI: KOSPITable;
+    KOSDAQ: KOSDAQTable;
+}

deno.json

@@ -20,7 +20,9 @@
     "twind": "https://esm.sh/twind@0.16.19",
     "twind/": "https://esm.sh/twind@0.16.19/",
     "$std/": "https://deno.land/std@0.203.0/",
-    "kysely": "npm:kysely@^0.25.0"
+    "kysely": "npm:kysely@^0.26.3",
+    "kysely/helpers/sqlite": "npm:kysely@^0.26.3/helpers/sqlite",
+    "sqlite": "https://deno.land/x/sqlite@v3.8/mod.ts"
   },
   "compilerOptions": { "jsx": "react-jsx", "jsxImportSource": "preact" },
   "exclude": ["**/_fresh/*"]

fresh.gen.ts

@@ -4,14 +4,16 @@
 
 import * as $0 from "./routes/_404.tsx";
 import * as $1 from "./routes/_app.tsx";
-import * as $2 from "./routes/api/joke.ts";
-import * as $3 from "./routes/api/kosdaq.ts";
-import * as $4 from "./routes/api/kospi.ts";
-import * as $5 from "./routes/api/pages/[name].ts";
-import * as $6 from "./routes/api/pages/index.ts";
-import * as $7 from "./routes/greet/[name].tsx";
-import * as $8 from "./routes/index.tsx";
-import * as $9 from "./routes/pages/[name].tsx";
+import * as $2 from "./routes/api/corps/[index].ts";
+import * as $3 from "./routes/api/corps/index.ts";
+import * as $4 from "./routes/api/joke.ts";
+import * as $5 from "./routes/api/kosdaq.ts";
+import * as $6 from "./routes/api/kospi.ts";
+import * as $7 from "./routes/api/pages/[name].ts";
+import * as $8 from "./routes/api/pages/index.ts";
+import * as $9 from "./routes/greet/[name].tsx";
+import * as $10 from "./routes/index.tsx";
+import * as $11 from "./routes/pages/[name].tsx";
 import * as $$0 from "./islands/Counter.tsx";
 import * as $$1 from "./islands/Search.tsx";
 import * as $$2 from "./islands/StockList.tsx";
@@ -20,14 +22,16 @@ const manifest = {
   routes: {
     "./routes/_404.tsx": $0,
     "./routes/_app.tsx": $1,
-    "./routes/api/joke.ts": $2,
-    "./routes/api/kosdaq.ts": $3,
-    "./routes/api/kospi.ts": $4,
-    "./routes/api/pages/[name].ts": $5,
-    "./routes/api/pages/index.ts": $6,
-    "./routes/greet/[name].tsx": $7,
-    "./routes/index.tsx": $8,
-    "./routes/pages/[name].tsx": $9,
+    "./routes/api/corps/[index].ts": $2,
+    "./routes/api/corps/index.ts": $3,
+    "./routes/api/joke.ts": $4,
+    "./routes/api/kosdaq.ts": $5,
+    "./routes/api/kospi.ts": $6,
+    "./routes/api/pages/[name].ts": $7,
+    "./routes/api/pages/index.ts": $8,
+    "./routes/greet/[name].tsx": $9,
+    "./routes/index.tsx": $10,
+    "./routes/pages/[name].tsx": $11,
   },
   islands: {
     "./islands/Counter.tsx": $$0,

islands/Search.tsx

@@ -0,0 +1,5 @@
+export default function Search(){
+    return <div>
+        <div>div</div>
+    </div>
+}

routes/api/corps/[index].ts

@@ -0,0 +1,35 @@
+import { Handlers } from "$fresh/server.ts";
+import { db } from "../../../db/db.ts";
+import { jsonArrayFrom } from "kysely/helpers/sqlite";
+
+export const handler: Handlers = {
+  async GET(req, ctx): Promise<Response> {
+    const headers = new Headers({
+        "content-type": "application/json"
+    });
+    const index = ctx.params.index;
+    const corp = await db.selectFrom("KRXCorp")
+      .selectAll([
+        "KRXCorp"
+      ])
+      .select(eb=> [
+        jsonArrayFrom(eb.selectFrom("stock")
+        .select([
+          "stock.Close",
+          "stock.Open",
+          "stock.Low",
+          "stock.High",
+          "stock.Date",
+          "stock.Volume",
+        ])
+        .where("Code", "=", index)
+        .orderBy("Date", "desc")
+        .limit(100)
+        ).as("prices")]
+      )
+      .where("Code", "=", index)
+      .executeTakeFirst();
+
+    return new Response(JSON.stringify(corp ?? null), {headers});
+  },
+}

routes/api/corps/index.ts

@@ -0,0 +1,21 @@
+import { Handlers } from "$fresh/server.ts";
+import { db } from "../../../db/db.ts";
+
+export const handler: Handlers = {
+  async GET(req, _ctx): Promise<Response> {
+    const headers = new Headers({
+        "content-type": "application/json"
+    });
+    const url = new URL(req.url);
+    const q = url.searchParams.get("q");
+    const name = url.searchParams.get("name");
+    const corps = await db.selectFrom("KRXCorp")
+      .selectAll([
+        "KRXCorp"
+      ])
+      .$if(!!q, qb=> qb.where("Name", "like", "%"+q+"%"))
+      .$if(!!name, qb => qb.where("Name", "=", name))
+      .execute();
+    return new Response(JSON.stringify(corps), {headers});
+  },
+}

routes/api/kosdaq.ts

@@ -1,17 +1,17 @@
 import { Handlers } from "$fresh/server.ts";
-import {DB} from "https://deno.land/x/sqlite/mod.ts";
+import { db } from "../../db/db.ts";
 
 export const handler: Handlers = {
   async GET(req, _ctx): Promise<Response> {
     const headers = new Headers({
         "content-type": "application/json"
     });
-    const db = new DB("stock.db");
-    const conn = db.query("SELECT Code,Name FROM KOSDAQ");
-    const body = conn.map(row=>({
-        code: row[0],
-        name: row[1]
-    }))
-    return new Response(JSON.stringify(body), {headers});
+    const rows = await db.selectFrom("KOSDAQ")
+      .select([
+        "Code",
+        "Name"
+      ])
+      .execute();
+    return new Response(JSON.stringify(rows), {headers});
   },
 }

routes/api/kospi.ts

@@ -1,17 +1,17 @@
 import { Handlers } from "$fresh/server.ts";
-import {DB} from "https://deno.land/x/sqlite/mod.ts";
+import { db } from "../../db/db.ts";
 
 export const handler: Handlers = {
   async GET(req, _ctx): Promise<Response> {
     const headers = new Headers({
         "content-type": "application/json"
     });
-    const db = new DB("stock.db");
-    const conn = db.query("SELECT Code,Name FROM KOSPI");
-    const body = conn.map(row=>({
-        code: row[0],
-        name: row[1]
-    }))
-    return new Response(JSON.stringify(body), {headers});
+    const rows = await db.selectFrom("KOSPI")
+      .select([
+        "Code",
+        "Name"
+      ])
+      .execute();
+    return new Response(JSON.stringify(rows), {headers});
   },
 }