◊(Local Yarn Code "Check-in [ecb3576a]")

Overview
Comment:Implement adding index entries via ‘keywords’ meta
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: ecb3576a79b168d95a72f0d6df3420f645f2aa695de62b56cbc2359a0b93952e
User & Date: joel on 2020-03-15 21:42:54
Other Links: manifest | tags
Context
2020-03-20
03:24
Add and document save-cache-things! check-in: cbaca7d9 user: joel tags: trunk
2020-03-15
21:42
Implement adding index entries via ‘keywords’ meta check-in: ecb3576a user: joel tags: trunk
21:42
Update keywords in ‘Goodnight, Irene: Scene 1’ check-in: 708efa1d user: joel tags: trunk, errata
Changes

Modified cache.rkt from [22c08e42] to [766a00d5].

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         cache-conn                     ; The most eligible bachelor in Neo Yokyo
         (schema-out cache:article)
         (schema-out cache:note)
         (schema-out cache:index-entry)
         (schema-out listing)
         delete-article!
         delete-notes!


         articles
         articles+notes
         listing-htmls
         fenced-listing
         unfence)

;; Cache DB and Schemas







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         cache-conn                     ; The most eligible bachelor in Neo Yokyo
         (schema-out cache:article)
         (schema-out cache:note)
         (schema-out cache:index-entry)
         (schema-out listing)
         delete-article!
         delete-notes!
         delete-index-entries!
         save-index-entries!
         articles
         articles+notes
         listing-htmls
         fenced-listing
         unfence)

;; Cache DB and Schemas
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(define (delete-notes! page)
  (query-exec (cache-conn)
              (~> (from cache:note #:as n)
                  (where (= n.page ,(format "~a" page)))
                  delete)))










;;
;;  ~~~ Fetching articles and notes ~~~
;;

;; (Private use) Conveniece function for the WHERE `series-page` clause
(define (where-series q s)
  (define (s->p x) (format "~a/~a.html" series-folder x))







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(define (delete-notes! page)
  (query-exec (cache-conn)
              (~> (from cache:note #:as n)
                  (where (= n.page ,(format "~a" page)))
                  delete)))

(define (delete-index-entries! page)
  (query-exec (cache-conn)
              (~> (from cache:index-entry #:as e)
                  (where (= e.page ,(format "~a" page)))
                  delete)))

(define (save-index-entries! es)
  (void (apply insert! (cache-conn) es)))

;;
;;  ~~~ Fetching articles and notes ~~~
;;

;; (Private use) Conveniece function for the WHERE `series-page` clause
(define (where-series q s)
  (define (s->p x) (format "~a/~a.html" series-folder x))

Modified crystalize.rkt from [7aa92528] to [b135d898].

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  (match (split-entry (attr-ref tx 'data-index-entry))
    [(list main sub)
     (make-cache:index-entry
      #:entry main
      #:subentry sub
      #:page pagenode
      #:html-anchor (attr-ref tx 'id))]))












;; Save any index entries in doc to the SQLite cache.
;; Sub-entries are specified by "!" in the index key
(define (cache-index-entries! pagenode doc)
  (define-values (_ entry-txs) (splitf-txexpr doc index-entry-txpr?))
  ; Naive idempotence: delete and re-insert all index entries every time doc is rendered.
  (query-exec (cache-conn) (delete (~> (from cache:index-entry #:as entry)
                                       (where (= entry.page ,(symbol->string pagenode))))))
  (unless (null? entry-txs)
    (void
     (apply insert! (cache-conn)
            (for/list ([etx (in-list entry-txs)])
              (txexpr->index-entry etx pagenode))))))







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  (match (split-entry (attr-ref tx 'data-index-entry))
    [(list main sub)
     (make-cache:index-entry
      #:entry main
      #:subentry sub
      #:page pagenode
      #:html-anchor (attr-ref tx 'id))]))

;; Get index entries out of metas
(define (current-metas-keyword-entries pagenode)
  (for/list ([kw (in-list (string-split (maybe-meta 'keywords "") #px",\\s*"))])
    (match (split-entry kw)
      [(list main sub)
       (make-cache:index-entry
        #:entry main
        #:subentry sub
        #:page pagenode
        #:html-anchor "")])))

;; Save any index entries in doc to the SQLite cache.
;; Sub-entries are specified by "!" in the index key
(define (cache-index-entries! pagenode doc)
  (define-values (_ entry-txs) (splitf-txexpr doc index-entry-txpr?))
  (define all-entries
    (append (for/list ([etx (in-list entry-txs)]) (txexpr->index-entry etx pagenode))
            (current-metas-keyword-entries pagenode)))
  
  (delete-index-entries! pagenode)
  (save-index-entries! all-entries))