Cleanups to new-tags. Fixes Issue #27.

coleslaw.asd

@@ -19,7 +19,6 @@
                (:file "util")
                (:file "config")
                (:file "themes")
-               (:file "tags")
                (:file "content")
                (:file "posts")
                (:file "indices")

src/content.lisp

@@ -3,6 +3,14 @@
 (defparameter *content* (make-hash-table :test #'equal)
   "A hash table to store all the site content and metadata.")
 
+(defclass tag ()
+  ((name :initform nil :initarg :name :accessor tag-name)
+   (slug :initform nil :Initarg :slug :accessor tag-slug)))
+
+(defun make-tag (str)
+  "Takes a string and returns a TAG instance with a name and slug."
+  (make-instance 'tag :name (string-trim " " str) :slug (slugify str)))
+
 (defclass content ()
   ((tags :initform nil :initarg :tags :accessor content-tags)
    (slug :initform nil :initarg :slug :accessor content-slug)
@@ -31,10 +39,7 @@
          (field-name (line)
            (make-keyword (string-upcase (subseq line 0 (position #\: line)))))
          (read-tags (str)
-           (mapcar (lambda (name) 
-		     (let ((name (string-trim " " name)))
-		       (make-instance 'tag :name name :slug (slugify name))))
-                   (cl-ppcre:split "," str))))
+           (mapcar #'make-tag (cl-ppcre:split "," str))))
     (with-open-file (in file)
       (unless (string= (read-line in) ";;;;;")
         (error "The provided file lacks the expected header."))

src/feeds.lisp

@@ -17,7 +17,7 @@
       (write-page (page-path rss) (render-page rss rss-template))
       (write-page (page-path atom) (render-page atom atom-template))
       (dolist (feed feeds)
-        (let ((index (index-by-tag-name feed by-date)))
+        (let ((index (index-by-tag (make-tag feed) by-date)))
           (setf (index-id index) (format nil "~a-rss.xml" feed)
                 (index-posts index) (first-10 (index-posts index)))
           (write-page (page-path index) (render-page index rss-template)))))))

src/indices.lisp

@@ -34,8 +34,9 @@
 
 (defun all-tags ()
   "Retrieve a list of all tags used in content."
-  (let ((tags (mappend #'content-tags (hash-table-values *content*))))
-    (sort (remove-duplicates tags :test #'tag-slug=) #'string< :key #'tag-name)))
+  (let* ((dupes (mappend #'content-tags (hash-table-values *content*)))
+         (tags (remove-duplicates dupes :test #'string= :key #'tag-slug)))
+    (sort tags #'string< :key #'tag-name)))
 
 (defun get-month (timestamp)
   "Extract the YYYY-MM portion of TIMESTAMP."
@@ -43,18 +44,13 @@
 
 (defun index-by-tag (tag content)
   "Return an index of all CONTENT matching the given TAG."
-  (flet ((valid-p (obj) (member tag (content-tags obj) :test #'tag-slug=)))
+  (labels ((tag-slug= (a b)
+             (string= (tag-slug a) (tag-slug b)))
+           (valid-p (obj)
+             (member tag (content-tags obj) :test #'tag-slug=)))
     (make-instance 'tag-index :id (tag-slug tag)
-                              :posts (remove-if-not #'valid-p content)
-                              :title (format nil "Posts tagged ~a" (tag-name tag)))))
-
-(defun index-by-tag-name (name content)
-  "Return an index of all CONTENT matching the given tag with tag NAME.
-The comparison is done by comparing the slugs because that is what 
-uniquely identifes a tag."
-  (index-by-tag 
-   (find (slugify name) (all-tags) :test #'string= :key #'tag-slug)
-   content))
+                   :posts (remove-if-not #'valid-p content)
+                   :title (format nil "Posts tagged ~a" (tag-name tag)))))
 
 (defun index-by-month (month content)
   "Return an index of all CONTENT matching the given MONTH."

src/tags.lisp

@@ -1,12 +0,0 @@
-(in-package :coleslaw)
-
-(defclass tag ()
-  ((name :initform nil :initarg :name :accessor tag-name)
-   (slug :initform nil :Initarg :slug :accessor tag-slug)))
-
-(defun tag-name= (tag-1 tag-2)
-  (string= (tag-name tag-1) (tag-name tag-2)))
-
-(defun tag-slug= (tag-1 tag-2)
-  (string= (tag-slug tag-1) (tag-slug tag-2)))
-