backend: geocode

backend/project.clj

@@ -26,6 +26,8 @@
                  [crypto-random "1.2.1"]
                  [buddy/buddy-sign "3.4.333"]
                  #_[com.draines/postal "2.0.4"]
+                 ;; ajax (geocoding)
+                 [clj-http "3.12.3"]
                  ;; logging
                  [org.clojure/tools.logging "1.2.4"]
                  [org.slf4j/slf4j-api "2.0.0-alpha6"]

backend/src/beherbergung/config/state.clj

@@ -24,6 +24,7 @@
 (s/def ::admin-gpg-id string?)
 
 (s/def ::import-file (s/nilable string?))
+(s/def ::import-ngo (s/nilable string?))
 
 (s/def ::mail-host string?)
 (s/def ::mail-user string?)
@@ -43,6 +44,7 @@
                               ::admin-passphrase
                               ::admin-gpg-id
                               ::import-file
+                              ::import-ngo
                               ;::mail-host ::mail-user ::mail-pass ::mail-port ::mail-from
                              ]))
 

backend/src/beherbergung/db/import/offer/lifeline.clj

@@ -6,17 +6,23 @@
             [beherbergung.model.offer-mapping.lifeline]
             [beherbergung.model.offer :as offer]
             [beherbergung.model.ngo :as ngo]
+            [clj-http.client :as client]
             [clojure.edn]))
 
-(defn geocode
-  [record]
+(defn geocode [record]
+  (let [params {:city (:place_city record)}
+        result (client/get "https://nominatim.openstreetmap.org/search?format=json&limit=1"
+                           {:accept :json :as :json :query-params params})
+        result_ok (when (= 200 (:status result))
+                        (first (:body result)))]
+        (println (or (:display_name result_ok)
+                     result))
         (assoc record
-         :place_lon  12.34
-         :place_lat 51.34))
+               :place_lon  (:lon result_ok)
+               :place_lat (:lat result_ok))))
 
-(defn update-offers [table]
-  (let [ngo:id "lifeline_beherbergung"  ;; TODO
-        {:keys [tx-fn-put tx-fn-call]} db_ctx]
+(defn update-offers [ngo:id table]
+  (let [{:keys [tx-fn-put tx-fn-call]} db_ctx]
        (tx-fn-put :update-offer
                   '(fn [ctx eid doc ngo:id]
                        (let [db (xtdb.api/db ctx)
@@ -28,19 +34,22 @@
        (doseq [record table
                :let [existingId (when (:id_tmp record)
                                       (str "offer_" (:id_tmp record)))]]
+              ;; TODO: skip geocoding when it was already successfully done at an earlier import
               (tx-fn-call :update-offer (or existingId (uuid))
                                         (geocode record)
                                         ngo:id))))
 
 (defn import! []
+  (if-not (:import-ngo env)
+    (println "No IMPORT_NGO defined")
     (let [table (if (:import-file env)
                     (unify (clojure.edn/read-string (slurp (:import-file env)))
                            beherbergung.model.offer-mapping.lifeline/mapping)
                     (clojure.edn/read-string (slurp "./data/import/example.edn"))  ;; till conflict between `specialist-server.type` and `with-gen` is fixed
                     #_(gen/sample (s/gen ::offer)))]
          (println "Records to be imported:" (count table))
-       (update-offers table))
-  (println "imported :)"))
+         (update-offers (:import-ngo env) table)
+         (println "import finished :)"))))
 
 (comment
   (import!)

backend/src/beherbergung/db/seed/test.edn

@@ -13,7 +13,7 @@
 
  {:xt/id "login_max_mueller"
   :xt/spec :beherbergung.model.login/record
-  :mail "praxis@max.mueller.de"
+  :mail "max.mueller@warhelp.eu"
   :password-hash "100$12$argon2id$v13$hq47jacLIYoiNMD9kdyy+w$ISDi+bSSTmsgqu648LQLv7ySU+lG2VGKRfa06HNfjzk$$$" #_"i!A;z\"'^G3Q)w])%83)" }
 
  {:xt/id "login_crewing"

backend/src/config.edn

@@ -17,6 +17,7 @@
  :db-validate true
 
  :import-file nil #_"./data/sample-data/example.edn"
+ :import-ngo "warhelp"
 
  ;:mail-host ""
  ;:mail-user ""