Initial commit

src/content/pricing/pricestf.ts

@@ -0,0 +1,67 @@
+declare function GM_fetch(input: string | URL | globalThis.Request, init?: RequestInit): Promise<Response>
+import '../GM_fetch'
+
+async function getPricesToken(): Promise<string> {
+  return new Promise<any>((resolve, reject) => {
+    GM_fetch('https://api2.prices.tf/auth/access', {
+      method: 'post',
+      headers: new Headers({
+        'Accept': 'application/json'
+      })
+    })
+      .then((response) => {
+        if (response.status != 200) {
+          reject(response.status)
+        }
+        return response.json()
+      })
+      .then((responseData) => resolve(responseData['accessToken']))
+  })
+}
+
+class PricesResponse {
+  keys: number
+  metal: number
+}
+
+/**
+ * Price the given item using https://prices.tf
+ * @return 
+ */
+async function priceUsingPricesTF(token: string, defIndex: number, quality: number): Promise<PricesResponse> {
+  // prices.tf
+  // https://api2.prices.tf/prices/${sku}
+  // Authorization: Bearer ${token}
+  return new Promise(async (resolve, reject) => {
+    if (!token) {
+      reject(401)
+    }
+    const sku = defIndex + ";" + quality;
+    // logDebug(`Making network request to prices.tf for ${sku}`)
+    var response = await GM_fetch(`https://api2.prices.tf/prices/${encodeURIComponent(sku)}`, {
+      method: 'get',
+      headers: new Headers({
+        'Accept': 'application/json',
+        'Authorization': `Bearer ${token}`
+      })
+    })
+    if (response.status === 404 && quality === 6) {
+      // Try uncraftable variant
+      response = await GM_fetch(`https://api2.prices.tf/prices/${encodeURIComponent(sku + ';uncraftable')}`, {
+        method: 'get',
+        headers: new Headers({
+          'Accept': 'application/json',
+          'Authorization': `Bearer ${token}`
+        })
+      })
+    }
+    if (response.status === 200) {
+      const json = await response.json()
+      resolve({ keys: json['sellKeys'], metal: json['sellHalfScrap'] / 18.0 })
+    } else {
+      reject(response.status)
+    }
+  })
+}
+
+export { getPricesToken, priceUsingPricesTF }