From 1c7838eb972ac365e648fc231620cb5f18a07788 Mon Sep 17 00:00:00 2001
From: Leon Rische <leon.rische@me.com>
Date: Sat, 11 Jan 2020 15:24:56 +0100
Subject: Initial commit

---
 org-fc-dashboard.el | 138 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 138 insertions(+)
 create mode 100644 org-fc-dashboard.el

(limited to 'org-fc-dashboard.el')

diff --git a/org-fc-dashboard.el b/org-fc-dashboard.el
new file mode 100644
index 0000000..05a0bdc
--- /dev/null
+++ b/org-fc-dashboard.el
@@ -0,0 +1,138 @@
+(require 'org-fc-review)
+(require 'org-fc-awk)
+
+;;; Configuration
+
+(defcustom org-fc-dashboard-bar-chart-width 400
+  "Width of the svg generated to display review statistics."
+  :type 'integer
+  :group 'org-fc)
+(defcustom org-fc-dashboard-bar-chart-height 20
+  "Height of the svg generated to display review statistics."
+  :type 'integer
+  :group 'org-fc)
+
+(defcustom org-fc-dashboard-buffer-name "*org-fc Main*"
+  "Name of the buffer to use for displaying the dashboard view."
+  :type 'string
+  :group 'org-fc)
+
+;;; Bar-Chart Generation
+
+(defun org-fc-dashboard-bar-chart (stat)
+  "Generate a svg bar-chart for the plist STAT"
+  (let* ((width org-fc-dashboard-bar-chart-width)
+         (height org-fc-dashboard-bar-chart-height)
+         (values
+          `((,(or (plist-get stat :again) 0.0) . "red")
+            (,(or (plist-get stat :hard) 0.0) . "yellow")
+            (,(or (plist-get stat :good) 0.0) . "green")
+            (,(or (plist-get stat :easy) 0.0) . "darkgreen")))
+         (svg (svg-create width height)))
+    (do ((values values (cdr values))
+         (pos 0 (+ pos (* width (caar values)))))
+        ((null values) '())
+      (svg-rectangle svg pos 0 (* width (caar values)) height :fill (cdar values)))
+    (svg-image svg)))
+
+(defun org-fc-dashboard-percent-right (stats)
+  (format "  %5.2f | %5.2f | %5.2f | %5.2f"
+          (or (* 100 (plist-get stats :again)) 0.0)
+          (or (* 100 (plist-get stats :hard)) 0.0)
+          (or (* 100 (plist-get stats :good)) 0.0)
+          (or (* 100 (plist-get stats :easy)) 0.0)))
+
+;;; Main View
+
+;; Based on `mu4e-main-view-real'
+(defun org-fc-dashboard-view (_ignore-auto _noconfirm)
+  (let* ((buf (get-buffer-create org-fc-dashboard-buffer-name))
+         (inhibit-read-only t)
+         (cards-stats (org-fc-awk-stats-cards))
+         (positions-stats (org-fc-awk-stats-positions))
+         (reviews-stats (org-fc-awk-stats-reviews)))
+    (with-current-buffer buf
+      (erase-buffer)
+      (insert
+       (propertize "Flashcards\n\n" 'face 'org-level-1))
+
+      (insert
+       (propertize "  Card Statistics\n\n" 'face 'org-level-1))
+
+      (insert (format "    New: %d (day) %d (week) %d (month) \n"
+                      (plist-get cards-stats :created-day)
+                      (plist-get cards-stats :created-week)
+                      (plist-get cards-stats :created-month)))
+
+      (insert "\n")
+      (insert (format
+               "    %6d Cards, %d suspended\n"
+               (plist-get cards-stats :total)
+               (plist-get cards-stats :suspended)))
+      (dolist (position '((:type-normal . "Normal")
+                          (:type-double . "Double")
+                          (:type-text-input . "Text Input")
+                          (:type-cloze . "Cloze")))
+        (insert
+         (format "    %6d %s\n"
+                 (plist-get cards-stats (car position))
+                 (cdr position))))
+
+      (insert "\n")
+      (insert
+       (propertize "  Position Statistics\n\n" 'face 'org-level-1))
+
+      (insert (format "    %6d Due Now\n\n" (plist-get positions-stats :due)))
+
+      (dolist (position '((:avg-ease . "Avg. Ease")
+                          (:avg-box . "Avg. Box")
+                          (:avg-interval . "Avg. Interval (days)")))
+        (insert
+         (format "    %6.2f %s\n"
+                 (plist-get positions-stats (car position))
+                 (cdr position))))
+
+      (insert "\n")
+
+      (insert
+       (propertize "  Review Statistics\n\n" 'face 'org-level-1))
+
+      (dolist (scope '((:day . "Day")
+                       (:week . "Week")
+                       (:month . "Month")
+                       (:all . "All")))
+        (when-let (stat (plist-get reviews-stats (car scope)))
+          (when (plusp (plist-get stat :reviews))
+            (insert (propertize (format "    %s (%d)\n" (cdr scope) (plist-get stat :reviews)) 'face 'org-level-1))
+            (insert "    ")
+            (insert-image (org-fc-dashboard-bar-chart stat))
+            (insert (org-fc-dashboard-percent-right stat))
+            (insert "\n\n"))))
+
+      (insert "\n")
+      (insert
+       (propertize "  [r] Review\n" 'face 'org-level-1))
+      (insert
+       (propertize "  [q] Quit\n" 'face 'org-level-1)))))
+
+(defvar org-fc-dashboard-mode-map
+  (let ((map (make-sparse-keymap)))
+    (define-key map (kbd "r") 'org-fc-review-all)
+    (define-key map (kbd "q") 'quit-window)
+    map))
+
+(define-derived-mode org-fc-dashboard-mode special-mode "org-fc main"
+  "Major mode providing an overview of the flashcard system"
+  (set (make-local-variable 'revert-buffer-function) #'org-fc-dashboard-view)
+  (setq-local cursor-type nil))
+
+(defun org-fc-dashboard ()
+  (interactive)
+  (org-fc-dashboard-view nil nil)
+  (switch-to-buffer org-fc-dashboard-buffer-name)
+  (goto-char (point-min))
+  (org-fc-dashboard-mode))
+
+;;; Exports
+
+(provide 'org-fc-dashboard)
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