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| author | Arun Isaac | 2022-06-30 10:07:56 +0530 |
|---|---|---|
| committer | Arun Isaac | 2022-06-30 10:10:54 +0530 |
| commit | 9926be311b099650e369270297727dd94ffbd794 (patch) | |
| tree | 16be5f9500e674399823802b7bfd06dda2373320 | |
| parent | ec07fe42fbfa900d981a48342e7bb3dba1e736f5 (diff) | |
| download | tissue-9926be311b099650e369270297727dd94ffbd794.tar.gz tissue-9926be311b099650e369270297727dd94ffbd794.tar.lz tissue-9926be311b099650e369270297727dd94ffbd794.zip | |
web: server: Display estimated number of matches.
* tissue/web/server.scm: Import (xapian wrap). Import parse-query
from (xapian xapian) renaming it to xapian:parse-query.
(make-search-page): Display estimated number of matches.
(handler): Pass estimated number of matches to make-search-page.
| -rw-r--r-- | tissue/web/server.scm | 40 |
1 files changed, 30 insertions, 10 deletions
diff --git a/tissue/web/server.scm b/tissue/web/server.scm index 10ef95e..0002866 100644 --- a/tissue/web/server.scm +++ b/tissue/web/server.scm @@ -28,7 +28,11 @@ #:use-module (web response) #:use-module (web server) #:use-module (web uri) - #:use-module (xapian xapian) + #:use-module (xapian wrap) + #:use-module ((xapian xapian) #:renamer (lambda (symbol) + (case symbol + ((parse-query) 'xapian:parse-query) + (else symbol)))) #:use-module (tissue conditions) #:use-module (tissue document) #:use-module (tissue search) @@ -128,9 +132,10 @@ a.tag-chore { color: black; }") -(define (make-search-page results query css) - "Return SXML for a page with search RESULTS produced for QUERY. CSS is -a URI to a stylesheet." +(define (make-search-page results query estimated-matches css) + "Return SXML for a page with search RESULTS produced for +QUERY. ESTIMATED-MATCHES is the estimated number of matches. CSS is a +URI to a stylesheet." `(html (head (title "Tissue search") @@ -171,6 +176,9 @@ operators " (span (@ (class "search-filter")) "OR") ".")) + (p "Found an estimated " + (strong ,(string-append (number->string estimated-matches)) + " results")) (ul ,@results)))) (define (query-parameters query) @@ -200,12 +208,24 @@ to a stylesheet." ""))) (values '((content-type . (text/html))) (sxml->html - (make-search-page - (call-with-database xapian-index - (lambda (db) - (search-map document->sxml db search-query))) - search-query - css))))) + (call-with-database xapian-index + (lambda (db) + (let ((mset (enquire-mset (enquire db (parse-query search-query)) + #:offset 0 + #:maximum-items (database-document-count db)))) + (make-search-page + (reverse + (mset-fold (lambda (item result) + (cons (document->sxml + (call-with-input-string (document-data (mset-item-document item)) + (compose scm->object read)) + mset) + result)) + '() + mset)) + search-query + (MSet-get-matches-estimated mset) + css)))))))) (else (values (build-response #:code 404) (string-append "Resource not found: " |