fix broken events initialization.

Remove some unneeded imports

src/metabase/db.clj

@@ -3,7 +3,7 @@
   (:require [clojure.java.jdbc :as jdbc]
             [clojure.tools.logging :as log]
             (clojure [set :as set]
-                     [string :as str])
+                     [string :as s])
             [environ.core :refer [env]]
             (korma [core :as k]
                    [db :as kdb])
@@ -53,8 +53,8 @@
   "Connection details for Korma / JDBC."
   (delay (let [details @db-connection-details]
            (case (config/config-kw :mb-db-type)
-             :h2       (kdb/h2 (assoc details :naming {:keys   str/lower-case
-                                                       :fields str/upper-case}))
+             :h2       (kdb/h2 (assoc details :naming {:keys   s/lower-case
+                                                       :fields s/upper-case}))
              :postgres (kdb/postgres (assoc details :db (:dbname details)))))))
 
 

src/metabase/driver.clj

@@ -2,7 +2,7 @@
   (:require clojure.java.classpath
             [clojure.tools.logging :as log]
             [medley.core :as m]
-            [metabase.db :refer [exists? ins sel upd]]
+            [metabase.db :refer [ins sel upd]]
             (metabase.driver [interface :as i]
                              [query-processor :as qp])
             (metabase.models [database :refer [Database]]

src/metabase/events.clj

@@ -21,18 +21,17 @@
   (atom nil))
 
 (defn- find-and-load-event-handlers
-  "Search Classpath for namespaces that start with `metabase.events.`, then `require` them so initialization can happen."
+  "Search Classpath for namespaces that start with `metabase.events.`, and call their `events-init` function if it exists."
   []
-  (->> (ns-find/find-namespaces (clojure.java.classpath/classpath))
-       (filter (fn [ns-symb]
-                 (re-find #"^metabase\.events\." (name ns-symb))))
-       set
-       (map (fn [events-ns]
-              (log/info "\tloading events namespace: " events-ns)
-              (require events-ns)
-              ;; look for `events-init` function in the namespace and call it if it exists
-              ((ns-resolve events-ns 'events-init))))
-       dorun))
+  (doseq [events-ns (->> (ns-find/find-namespaces (clojure.java.classpath/classpath))
+                         (map name)
+                         (filter (partial re-find #"^metabase\.events\."))
+                         (map symbol))]
+    (log/info "\tloading events namespace: " events-ns)
+    (require events-ns)
+    ;; look for `events-init` function in the namespace and call it if it exists
+    (when-let [events-init (ns-resolve events-ns 'events-init)]
+      (events-init))))
 
 (defn initialize-events!
   "Initialize the asynchronous internal events system."

src/metabase/models/common.clj

 (ns metabase.models.common
-  (:require [clojure.string :as s]
-            [metabase.api.common :refer [*current-user* *current-user-id* check]]
-            [metabase.util :as u]))
+  (:require [clojure.string :as s]))
 
 (def ^:const timezones
   ["GMT"

src/metabase/models/setting.clj

 (ns metabase.models.setting
   (:refer-clojure :exclude [get set])
-  (:require [clojure.core.match :refer [match]]
-            [clojure.string :as s]
+  (:require [clojure.string :as s]
             [environ.core :as env]
             [korma.core :as k]
             [metabase.config :as config]
@@ -9,7 +8,8 @@
             [metabase.models [common :as common]
                              [interface :refer :all]]
             [metabase.setup :as setup]
-            [metabase.util :as u]))
+            [metabase.util :as u]
+            [metabase.util.password :as password]))
 
 ;; Settings are a fast + simple way to create a setting that can be set
 ;; from the SuperAdmin page. They are saved to the Database, but intelligently
@@ -153,18 +153,18 @@
          (sort-by :key))))
 
 (defn public-settings
-  "Return a simple map of key/value pairs which represent the public settings for the application."
+  "Return a simple map of key/value pairs which represent the public settings for the front-end application."
   []
   {:ga_code               "UA-60817802-1"
    :intercom_code         "gqfmsgf1"
-   :password_complexity   (metabase.util.password/active-password-complexity)
+   :password_complexity   (password/active-password-complexity)
    :setup_token           (setup/token-value)
    :timezones             common/timezones
    :version               (config/mb-version-info)
    ;; all of these values are dynamic settings controlled at runtime
    :anon_tracking_enabled (= "true" (get :anon-tracking-enabled))
    :site_name             (get :site-name)
-   :email_configured      (not (clojure.string/blank? (get :email-smtp-host)))})
+   :email_configured      (not (s/blank? (get :email-smtp-host)))})
 
 ;; # IMPLEMENTATION
 

src/metabase/routes.clj

@@ -6,22 +6,15 @@
             [ring.util.response :as resp]
             [stencil.core :as stencil]
             [metabase.api.routes :as api]
-            (metabase.models common
-                             [setting :as setting])
-            [metabase.util :as u]
-            metabase.util.password))
+            [metabase.models.setting :as setting]))
 
-(def ^:private ^:const date-format-rfc2616
-  "Java SimpleDateFormat representing rfc2616 style date used in http headers."
-  "EEE, dd MMM yyyy HH:mm:ss zzz")
-
-(defn- index [request]
+(defn- index [_]
   (-> (io/resource "frontend_client/index.html")
       slurp
       (stencil/render-string {:bootstrap_json (json/generate-string (setting/public-settings))})
       resp/response
       (resp/content-type "text/html")
-      (resp/header "Last-Modified" (u/now-with-format date-format-rfc2616))))
+      (resp/header "Last-Modified" "{now} GMT")))
 
 ;; Redirect naughty users who try to visit a page other than setup if setup is not yet complete
 (defroutes routes