/
rdbms.clj
131 lines (121 loc) · 5.07 KB
/
rdbms.clj
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
(ns kaleidoscope.clj.persistence.rdbms
(:require [camel-snake-kebab.core :as csk]
[camel-snake-kebab.extras :as cske]
[cheshire.core :as json]
[clojure.spec.alpha :as s]
[honeysql.core :as hsql]
[honeysql.helpers :as hh]
[next.jdbc :as next]
[next.jdbc.result-set :as rs]
[next.jdbc.sql :as next.sql]
[slingshot.slingshot :refer [throw+ try+]]
[steffan-westcott.clj-otel.api.trace.span :as span]
[taoensso.timbre :as log])
(:import
org.postgresql.util.PGobject))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; API for interacting with a relational database
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defn transact!
[conn stmt]
(next/execute! conn stmt {:return-keys true
:builder-fn rs/as-unqualified-kebab-maps}))
(defn select
[database m]
(next/execute! database
(hsql/format m)
{:builder-fn rs/as-unqualified-kebab-maps}))
(defn validate [type data ex]
(if (s/valid? type data)
true
(throw+
(let [reason (s/explain-str type data)]
{:type ex
:subtype type
:message {:data data
:reason reason
:feedback (or (:feedback data)
reason)}}))))
(defn find-by-keys
([database table query-map]
(span/with-span! {:name (format "kaleidoscope.db.find.%s" table)}
(next.sql/find-by-keys database
(csk/->snake_case_keyword table)
(cske/transform-keys csk/->snake_case_keyword query-map)
{:builder-fn rs/as-unqualified-kebab-maps}))))
(defn make-finder
[table]
(fn getter
([database]
(span/with-span! {:name (format "kaleidoscope.db.get.%s" table)}
(next/execute! database
[(format "SELECT * FROM %s" (csk/->snake_case_string table))]
{:builder-fn rs/as-unqualified-kebab-maps})))
([database query-map]
(if (empty? query-map)
(getter database)
(find-by-keys database table query-map)))))
(defn insert! [database table m & {:keys [ex-subtype
input-validation]}]
(when input-validation
(validate input-validation m :IllegalArgumentException))
(span/with-span! {:name (format "kaleidoscope.db.insert.%s" table)}
(try+
(transact! database (-> (hh/insert-into table)
(hh/values (if (map? m)
[m]
m))
hsql/format))
(catch org.postgresql.util.PSQLException e
(log/errorf "Caught Exception while inserting: %s" e)
(throw+ (merge {:type :PersistenceException
:message {:data (select-keys m [:username :email])
:reason (.getMessage e)}}
(when ex-subtype
{:subtype ex-subtype}))))
(catch Object e
(log/errorf "Caught Exception while inserting: %s" e)
(throw+ (merge {:type :PersistenceException
:message {:data (select-keys m [:username :email])
:reason (.getMessage e)}}
(when ex-subtype
{:subtype ex-subtype})))))))
(defn update! [database table m where & {:keys [ex-subtype
input-validation]}]
(when input-validation
(validate input-validation m :IllegalArgumentException))
(span/with-span! {:name (format "kaleidoscope.db.update.%s" table)}
(try+
(transact! database (-> (hh/update table)
(hh/sset m)
(hh/where where)
hsql/format))
(catch org.postgresql.util.PSQLException e
(throw+ (merge {:type :PersistenceException
:message {:data m
:reason (.getMessage e)}}
(when ex-subtype
{:subtype ex-subtype})))))))
(defn delete! [database table ids & {:keys [ex-subtype]}]
(span/with-span! {:name (format "kaleidoscope.db.delete.%s" table)}
(try+
(transact! database (-> (hh/delete-from table)
(hh/where [:in :id (if (coll? ids)
ids
[ids])])
hsql/format))
(catch org.postgresql.util.PSQLException e
(throw+ (merge {:type :PersistenceException
:message {:data ids
:reason (.getMessage e)}}
(when ex-subtype
{:subtype ex-subtype})))))))
(comment
(def example-user
{:id #uuid "f5778c59-e57d-46f0-b5e5-516e5d36481c"
:first_name "Andrew"
:last_name "Lai"
:username "alai"
:avatar nil
:email "andrew@andrew.com"})
)