46 lines
1.1 KiB
Common Lisp
46 lines
1.1 KiB
Common Lisp
;;; cl-scopes/storage/storage.lisp
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;;;; Common layer for SQL storage functionality.
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(defpackage :scopes/storage
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(:use :common-lisp)
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(:export #:*db-config* #:*db-engine*
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#:make-engine #:make-storage #:db-params
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#:drop-table))
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(in-package :scopes/storage)
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(defparameter *db-config* nil)
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(defparameter *db-engine* nil)
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(defclass db-engine ()
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((params :initarg :params)
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(config :initarg :config)))
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(defun make-engine ()
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(make-engine-db (getf *db-config* :db-type) *db-config*))
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(defclass storage ()
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((engine :initarg :engine)
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(db)
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(schema)))
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(defun make-storage ()
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(make-instance 'storage :engine *db-engine*))
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(defun db-params (st)
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(slot-value (slot-value st 'engine) 'params))
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(defun drop-table (st tn)
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st
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(print (sxql:yield
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(sxql:drop-table tn :if-exists t))))
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;; db-driver-specific stuff
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(defun make-engine-db (db-type config)
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(let ((params
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(case db-type
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(:sqlite3 '(:id-type integer :json-type json))
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(:postgres '(:id-type bigserial :json-type jsonb)))))
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(make-instance 'db-engine :params params :config config)))
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