1 files changed, 32 insertions, 0 deletions
diff --git a/src/model/authors.phel b/src/model/authors.phel
new file mode 100644
index 0000000..518c13e
--- /dev/null
+++ b/src/model/authors.phel
@@ -0,0 +1,32 @@
+(ns lezer.model.authors
+  (:require lezer.db :refer [conn])
+  (:require phel.pdo)
+  (:require phel.sql))
+
+(defn for-book [book]
+  (let [[query params] (sql/format
+                        {:select [:*]
+                         :from [:authors]
+                         :where [:in :id {:select [:author_id]
+                                          :from [:authors_books]
+                                          :where [:= :book_id (:id book)]}]})]
+    (-> (pdo/prepare conn query)
+        (pdo/execute params)
+        (pdo/fetch-all))))
+
+(defn find-or-create [name fields]
+  (let [[query params] (sql/format {:select [:id]
+                                    :from [:authors]
+                                    :where [:= :name name]})]
+    (or (-> (pdo/prepare conn query)
+            (pdo/execute params)
+            (pdo/fetch-column))
+        (pdo/insert conn :authors (conj {:name name} fields)))))
+
+(defn find [id]
+  (let [[query params] (sql/format {:select [:*]
+                                    :from [:authors]
+                                    :where [:= :id id]})]
+    (-> (pdo/prepare conn query)
+        (pdo/execute params)
+        (pdo/fetch))))