clone url: git://git.m455.casa/m455.casa
src/utils.scm
| 1 | (define (file->lines file) |
| 2 | (with-input-from-file file read-lines)) |
| 3 | |
| 4 | (define (file-write file contents) |
| 5 | (with-output-to-file |
| 6 | file |
| 7 | (lambda () (display contents)))) |
| 8 | |
| 9 | (define (pair->mustached-pair pair) |
| 10 | (let* ((first (car pair)) |
| 11 | (key (if (string? first) |
| 12 | first |
| 13 | (symbol->string first)))) |
| 14 | `(,(string-append "{{" key "}}") . ,(cdr pair)))) |
| 15 | |
| 16 | (define (string-populate str smap) |
| 17 | (string-translate* |
| 18 | str |
| 19 | (map pair->mustached-pair smap))) |
| 20 | |
| 21 | (define (path->alist path) |
| 22 | (let ((lines (file->lines path))) |
| 23 | `((date . ,(caddr lines)) |
| 24 | (path . ,path) |
| 25 | (title . ,(substring (car lines) (string-length TITLE-PREFIX)))))) |
| 26 | |
| 27 | (define (paths->sorted-alists paths) |
| 28 | (let* ((relative-paths (map (lambda (path) |
| 29 | (make-pathname POSTS-DIRECTORY path)) |
| 30 | paths)) |
| 31 | (paths-data (map path->alist relative-paths))) |
| 32 | (sort paths-data |
| 33 | (lambda (data-a data-b) |
| 34 | (string>? (alist-ref 'date data-a) (alist-ref 'date data-b)))))) |
| 35 | |