feat(marketboard): add support for datacenter price requests

src/model/xivapi-options.ts

@@ -9,7 +9,7 @@ export interface XivapiOptions {
      */
     language?: string;
 
-     /**
+    /**
      * Pull specific columns from the data. By default the list just provides the ID, and result provides every column.
      * You can request specific pieces of information from a list or result by plugging in the column names.
      * For extended content you use dot notation to access it, for example:
@@ -29,13 +29,13 @@ export interface XivapiOptions {
     columns?: string[];
 
     /**
-    * You can add tracking counters to your app for whatever purpose using "tags". Tags will appear in your dashboard with a counter
-    * next to them. You can have as many tags you would like and counts will store for a period of 30 days before taping off
-    * and being removed if they become inactive.
-    *
-    * A tag must be alpha numeric and allows dashes and underscores, however this is not checked or validated until it hits XivAPI.
-    * A GitHub issue to add support for this to TypeScript can be found at https://github.com/Microsoft/TypeScript/issues/6579
-    */
+     * You can add tracking counters to your app for whatever purpose using "tags". Tags will appear in your dashboard with a counter
+     * next to them. You can have as many tags you would like and counts will store for a period of 30 days before taping off
+     * and being removed if they become inactive.
+     *
+     * A tag must be alpha numeric and allows dashes and underscores, however this is not checked or validated until it hits XivAPI.
+     * A GitHub issue to add support for this to TypeScript can be found at https://github.com/Microsoft/TypeScript/issues/6579
+     */
     tags?: string[];
 
     /**
@@ -47,4 +47,9 @@ export interface XivapiOptions {
      * Servers for the market endpoint.
      */
     servers?: string[];
+
+    /**
+     * Extra query params to add to the request.
+     */
+    extraQueryParams?: { [index: string]: string };
 }

src/xivapi.service.ts

@@ -98,6 +98,13 @@ export class XivapiService {
         return this.request<string[]>(`/servers`);
     }
 
+    /**
+     * Gets the current list of available servers, per DC.
+     */
+    public getDCList(): Observable<{ [index: string]: string[] }> {
+        return this.request<{ [index: string]: string[] }>(`/servers/dc`);
+    }
+
     /**
      * Search for a character on **The Lodestone**. This does not search XIVAPI but instead it goes directly to
      * lodestone so the response will be "real-time". Responses are cached for 1 hour,
@@ -223,6 +230,20 @@ export class XivapiService {
         return this.request<{ [index: string]: MarketboardItem[] }>(`/market/item/${itemId}`, options);
     }
 
+    /**
+     * Gets marketboard informations for a given item.
+     *
+     * @param datacenter The datacenter to use for marketboard informations.
+     * @param itemId The item you want informations on.
+     * @param options Options of the request.
+     */
+    public getMarketBoardItemCrossServer(datacenter: string, itemId: number,
+                                         options: XivapiOptions = {}): Observable<{ [index: string]: MarketboardItem }> {
+        options.extraQueryParams = options.extraQueryParams || {};
+        options.extraQueryParams['dc'] = datacenter;
+        return this.request<{ [index: string]: MarketboardItem }>(`/market/items/${itemId}`, options);
+    }
+
     protected request<T>(endpoint: string, params?: XivapiOptions): Observable<T> {
         let queryParams: HttpParams = this.prepareQueryString(params);
         let baseUrl: string;
@@ -242,15 +263,24 @@ export class XivapiService {
         if (options === null || options === undefined) {
             return queryString;
         }
-        Object.keys(options).forEach(optionKey => {
-            // @ts-ignore
-            const value: any = options[optionKey] as any;
-            if (value instanceof Array) {
-                queryString = queryString.set(optionKey, value.join(','));
-            } else {
-                queryString = queryString.set(optionKey, value.toString());
-            }
-        });
+        Object.keys(options)
+            .filter(key => key !== 'extraQueryParams')
+            .forEach(optionKey => {
+                // @ts-ignore
+                const value: any = options[optionKey] as any;
+                if (value instanceof Array) {
+                    queryString = queryString.set(optionKey, value.join(','));
+                } else {
+                    queryString = queryString.set(optionKey, value.toString());
+                }
+            });
+        if (options.extraQueryParams !== undefined) {
+            Object.keys(options.extraQueryParams)
+                .forEach(key => {
+                    // @ts-ignore
+                    queryString.set(key, options.extraQueryParams[key].toString());
+                });
+        }
         return queryString;
     }