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snooze-api.ss
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snooze-api.ss
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#lang scheme/base
(require "base.ss")
(require (for-syntax scheme/base)
"core/core.ss"
"common/connection.ss"
"sql/sql.ss")
; API procedures ---------------------------------
; (-> any) -> any
(define (call-with-connection #:snooze [snooze (current-snooze)] thunk)
(send snooze call-with-connection thunk))
; -> thunk
(define (connect #:snooze [snooze (current-snooze)])
(send snooze connect))
; -> void
(define (disconnect #:snooze [snooze (current-snooze)])
(send snooze disconnect))
; -> connection
(define (current-connection #:snooze [snooze (current-snooze)])
(send snooze current-connection))
; entity -> void
(define (create-table #:snooze [snooze (current-snooze)] entity)
(send snooze create-table entity))
; entity -> void
(define (drop-table #:snooze [snooze (current-snooze)] entity)
(send snooze drop-table entity))
; snooze-struct -> snooze-struct
(define (save! #:snooze [snooze (current-snooze)] struct)
(send snooze save! struct))
; snooze-struct -> snooze-struct
(define (delete! #:snooze [snooze (current-snooze)] struct)
(send snooze delete! struct))
; select -> (U result #f)
(define (find-one #:snooze [snooze (current-snooze)] select)
(send snooze find-one select))
; select -> (U result #f)
(define (find-all #:snooze [snooze (current-snooze)] select)
(send snooze find-all select))
; select -> (U result #f)
(define (g:find #:snooze [snooze (current-snooze)] select)
(send snooze g:find select))
; entity (U integer #f) -> (U snooze-struct #f)
(define (find-by-id #:snooze [snooze (current-snooze)] entity id)
(send snooze find-by-id entity id))
; database-guid -> (U snooze-struct #f)
(define (find-by-guid #:snooze [snooze (current-snooze)] guid)
(send snooze find-by-guid guid))
; (listof database-guid) -> (listof snooze-struct)
(define (find-by-guids #:snooze [snooze (current-snooze)] guids)
(send snooze find-by-guids guids))
; (listof snooze-struct) attribute -> (listof snooze-struct)
(define (load-related! #:snooze [snooze (current-snooze)] structs attr)
(send snooze load-related! structs attr))
; (listof snooze-struct) attribute -> (listof snooze-struct)
(define (cross-reference-related! #:snooze [snooze (current-snooze)] structs attr other-structs)
(send snooze cross-reference-related! structs attr other-structs))
; (-> ans) any ... -> ans
(define (call-with-transaction #:snooze [snooze (current-snooze)] #:metadata [metadata null] thunk)
(send snooze call-with-transaction #:metadata metadata thunk))
; query -> string
(define (query->string #:snooze [snooze (current-snooze)] query)
(send snooze query->string query))
; select [#:output-port output-port] [#:format string] -> select
(define (debug-sql #:snooze [snooze (current-snooze)]
#:output-port [out (current-output-port)]
#:format [fmt "~a"]
select)
(send snooze debug-sql #:output-port out #:format fmt select))
; -> (listof symbol)
(define (table-names #:snooze [snooze (current-snooze)])
(send snooze table-names))
; (U entity symbol) -> boolean
(define (table-exists? #:snooze [snooze (current-snooze)] name)
(send snooze table-exists? name))
; [#:snooze snooze] -> (query real -> void)
(define (query-logger-ref #:snooze [snooze (current-snooze)])
(send snooze get-query-logger))
; [#:snooze snooze] (query real -> void) -> void
(define (query-logger-set! #:snooze [snooze (current-snooze)] logger)
(send snooze set-query-logger! logger))
; [#:snooze snooze] -> ((listof guid) real -> void)
(define (direct-find-logger-ref #:snooze [snooze (current-snooze)])
(send snooze get-direct-find-logger))
; [#:snooze snooze] ((listof guid) real -> void) -> void
(define (direct-find-logger-set! #:snooze [snooze (current-snooze)] logger)
(send snooze set-direct-find-logger! logger))
; Convenience syntaxes ---------------------------
; (_ select-args ...)
(define-syntax-rule (select-one args ...)
(find-one (sql (select args ...))))
; (_ select-args ...)
(define-syntax-rule (select-all args ...)
(find-all (sql (select args ...))))
; (_ select-args ...)
(define-syntax-rule (g:select args ...)
(g:find (sql (select args ...))))
; (_ [#:snooze snooze-expr] expr ...)
(define-syntax (with-connection stx)
(syntax-case stx ()
[(_ #:snooze snooze expr ...) (syntax/loc stx (call-with-connection #:snooze snooze (lambda () expr ...)))]
[(_ expr ...) (syntax/loc stx (call-with-connection (lambda () expr ...)))]))
; (_ [#:snooze snooze-expr] [#:metadata list-expr] expr ...)
(define-syntax (with-transaction stx)
(syntax-case stx ()
[(_ #:metadata metadata expr ...) (syntax/loc stx (call-with-transaction #:metadata metadata (lambda () expr ...)))]
[(_ #:snooze snooze #:metadata metadata expr ...) (syntax/loc stx (call-with-transaction #:snooze snooze #:metadata metadata (lambda () expr ...)))]
[(_ #:snooze snooze expr ...) (syntax/loc stx (call-with-transaction #:snooze snooze (lambda () expr ...)))]
[(_ expr ...) (syntax/loc stx (call-with-transaction (lambda () expr ...)))]))
; (_ [#:snooze snooze] (query real -> void) expr ...)
(define-syntax with-query-logger
(syntax-rules ()
[(_ #:snooze snooze logger expr ...)
(send snooze call-with-query-logger logger (lambda () expr ...))]
[(_ logger expr ...)
(with-query-logger #:snooze (current-snooze) snooze expr ...)]))
; (_ [#:snooze snooze] ((listof guid) real -> void) expr ...)
(define-syntax with-direct-find-logger
(syntax-rules ()
[(_ #:snooze snooze logger expr ...)
(send snooze call-with-direct-find-logger logger (lambda () expr ...))]
[(_ logger expr ...)
(with-direct-find-logger #:snooze (current-snooze) snooze expr ...)]))
; Provide statements -----------------------------
(provide current-snooze
select-one
select-all
g:select
with-connection
with-transaction
with-query-logger
with-direct-find-logger)
(provide/contract
[call-with-connection (->* (procedure?) (#:snooze (is-a?/c snooze<%>)) any)]
[connect (->* () (#:snooze (is-a?/c snooze<%>)) void?)]
[disconnect (->* () (#:snooze (is-a?/c snooze<%>)) void?)]
[current-connection (->* () (#:snooze (is-a?/c snooze<%>)) connection?)]
[create-table (->* (entity?) (#:snooze (is-a?/c snooze<%>)) void?)]
[drop-table (->* ((or/c entity? symbol?)) (#:snooze (is-a?/c snooze<%>)) void?)]
[save! (->* (snooze-struct?)
(#:snooze (is-a?/c snooze<%>))
(and/c snooze-struct? snooze-struct-has-revision?))]
[delete! (->* (snooze-struct?)
(#:snooze (is-a?/c snooze<%>))
(and/c snooze-struct? (not/c snooze-struct-has-revision?)))]
[find-one (->* (query?) (#:snooze (is-a?/c snooze<%>)) any)]
[find-all (->* (query?) (#:snooze (is-a?/c snooze<%>)) (or/c null? pair?))]
[g:find (->* (query?) (#:snooze (is-a?/c snooze<%>)) procedure?)]
[find-by-id (->* (entity? natural-number/c) (#:snooze (is-a?/c snooze<%>)) (or/c snooze-struct? #f))]
[find-by-guid (->* (database-guid?) (#:snooze (is-a?/c snooze<%>)) (or/c snooze-struct? #f))]
[find-by-guids (->* ((listof database-guid?)) (#:snooze (is-a?/c snooze<%>)) (listof snooze-struct?))]
[load-related! (->* ((listof snooze-struct?) attribute?)
(#:snooze (is-a?/c snooze<%>))
(listof snooze-struct?))]
[cross-reference-related! (->* ((listof snooze-struct?) attribute? (listof snooze-struct?))
(#:snooze (is-a?/c snooze<%>))
(listof snooze-struct?))]
[call-with-transaction (->* (procedure?) (#:snooze (is-a?/c snooze<%>) #:metadata list?) any)]
[query->string (->* (query?) (#:snooze (is-a?/c snooze<%>)) string?)]
[debug-sql (->* (query?) (#:snooze (is-a?/c snooze<%>) #:output-port output-port? #:format string?) query?)]
[table-names (->* () (#:snooze (is-a?/c snooze<%>)) (listof symbol?))]
[table-exists? (->* ((or/c entity? symbol?)) (#:snooze (is-a?/c snooze<%>)) boolean?)]
[query-logger-ref (->* () (#:snooze (is-a?/c snooze<%>)) (-> query? number? any))]
[query-logger-set! (->* ((-> query? number? any)) (#:snooze (is-a?/c snooze<%>)) void?)]
[direct-find-logger-ref (->* () (#:snooze (is-a?/c snooze<%>)) (-> (listof guid?) number? any))]
[direct-find-logger-set! (->* ((-> (listof guid?) number? any)) (#:snooze (is-a?/c snooze<%>)) void?)])