add rapidapi support

.gitignore

@@ -3,4 +3,7 @@ node_modules
 out
 .DS_Store
 screenshots
+config.yaml
 secrets.yaml
+build
+advisorycircular.json

src/main/lemondronor/advisorycircular.cljs

@@ -1,6 +1,7 @@
 (ns lemondronor.advisorycircular
   (:require
    ["canvas" :as canvas]
+   [cemerick.url :as c-url]
    ["commander" :as commander]
    ["fs" :as fs]
    ["tmp-promise" :as tmp]
@@ -107,15 +108,18 @@
          (js->clj (parse-json json-str))
          "ac"))})
 
-
-(defn get-adsbexchange-live-data [{:keys [url lat lon radius-nm api-key api-whitelist]}]
-  (let [url (->> [url
-                  "lat" lat
-                  "lon" lon
-                  "dist" (.toFixed radius-nm 1)]
-                 (map str)
-                 (string/join "/"))
-        headers (cond-> {:api-auth api-key}
+(defn get-adsbexchange-live-data [{:keys [url lat lon radius-nm api-key api-whitelist rapid-api?]}]
+  (let [url (str 
+              (->> [url
+                    "lat" lat
+                    "lon" lon
+                    "dist" (.toFixed radius-nm (if rapid-api? 0 1))]
+                   (map str)
+                   (string/join "/"))
+              (if rapid-api? "/" ""))
+        headers (cond-> (if rapid-api? 
+                          {:x-rapidapi-key api-key :x-rapidapi-host (:host (c-url/url url)) :useQueryString true} 
+                          {:auth-key api-key})
                   api-whitelist (assoc :ADSBX-WL api-whitelist))]
     (p/let [http-result (util/http-get url {:headers headers})]
       (let [result (parse-adsbexchange-live-data http-result)]
@@ -716,7 +720,8 @@
    :minimum-airport-distance-km 3.5
    :history-db-path "advisorycircular.json"
    :aircraft-info-db-path "aircraft-info.sqb"
-   :twitter {:enabled? true}})
+   :twitter {:enabled? true}
+   :rapid-api? false})
 
 
 (defn build-config-from-commander [commander]
@@ -754,7 +759,8 @@
                   [:aircraft-info-db-path]
                   [:adsbx :url]
                   [:adsbx :api-key]
-                  [:pelias :url]]
+                  [:pelias :url]
+                  [:rapid-api?]]
         present (util/nested-keys config)
         missing1 (set/difference (set required) (set present))
         missing2 (when (get-in config [:twitter :enabled?])
@@ -826,7 +832,8 @@
                           (merge (:adsbx config)
                                  {:lat (:lat config)
                                   :lon (:lon config)
-                                  :radius-nm (* (:radius-km config) 0.539957)}))
+                                  :radius-nm (* (:radius-km config) 0.539957)
+                                  :rapid-api? (:rapid-api? config)}))
                 filtered-api-data (remove-blocked-icaos api-data (get config :icao-blocklist '()))
                 now (current-time)
                 [new-db potential-circles] (-> db

src/main/lemondronor/advisorycircular/util.cljs

@@ -1,6 +1,7 @@
 (ns lemondronor.advisorycircular.util
   (:require [cemerick.url :as c-url]
             ["fs" :as fs]
+            [goog.string :as gstring]
             [kitchen-async.promise :as p]
             [lemondronor.advisorycircular.logging :as logging]
             ["request-promise-native" :as request]
@@ -11,6 +12,9 @@
 
 (def fs-promises (.-promises fs))
 
+(defn ^boolean ends-with?
+  [s substr]
+  (gstring/endsWith s substr))
 
 ;; Reads a file, returns a promise resolving to the file contents.
 
@@ -51,8 +55,13 @@
   ([url options]
    (let [query (or (:query options) {})
          options (dissoc options :query)
-         url (-> (c-url/url (str url))
-                 (assoc :query query))]
+         parsed-url (-> (c-url/url (str url))
+                        (assoc :query query))
+         ;; Work around c-url bug to re-append any stripped trailing slash.
+         ;; https://github.com/cemerick/url/issues/24
+         url (if (ends-with? (str url) "/")
+                 (str parsed-url "/")
+                 parsed-url)]
      (p/do
        (log-verbose "Fetching %s" url)
        (p/let [result (.get request