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+;;; imdb.el --- Internet Movie Database -*- lexical-binding: t -*-
+;; Author: William Carroll <wpcarro@gmail.com>
+
+;;; Commentary:
+;; Some Elisp to help me pick movies more quickly.
+
+;;; Code:
+
+(require 'f)
+(require 'macros)
+(require 'pcre2el)
+(require 'random)
+(require 'maybe)
+
+;; TODO: How do you support types herein?
+(cl-defstruct movie
+  name
+  year
+  director
+  watched?)
+
+;; TODO: Support famous directors like:
+;; - Wes Anderson
+;; - Woody Allen
+;; - Tarantino
+;; - Coen Brothers
+;; - Alfonso Cauron
+;; - Alejandro González Iñárritu
+;; - Alfred Hitchcock
+;; - Stanley Kubrick
+
+;; TODO: Dump this into SQL.
+
+(defconst imdb/kubrick-films
+  (->> '((:watched? nil :year 1951 :name "Flying Padre")
+         (:watched? nil :year 1953 :name "Fear and Desire")
+         (:watched? nil :year 1953 :name "The Seafarers")
+         (:watched? nil :year 1955 :name "Killer's Kiss")
+         (:watched? nil :year 1956 :name "The Killing")
+         (:watched? nil :year 1957 :name "Paths of Glory")
+         (:watched? nil :year 1960 :name "Spartacus")
+         (:watched? nil :year 1962 :name "Lolita")
+         (:watched? nil :year 1964 :name "Dr. Strangelove")
+         (:watched? nil :year 1968 :name "2001: A Space Odyssey")
+         (:watched? t   :year 1971 :name "A Clockwork Orange")
+         (:watched? nil :year 1975 :name "Barry Lyndon")
+         (:watched? nil :year 1980 :name "The Shining")
+         (:watched? t   :year 1987 :name "Full Metal Jacket")
+         (:watched? nil :year 1999 :name "Eyes Wide Shut"))
+       (list/map (lambda (x)
+                   (make-movie :name (plist-get :name x)
+                               :year (plist-get :year x)
+                               :director "Stanley Kubrick"
+                               :watched? (plist-get :watched? x))))))
+
+(defconst imdb/non-top-250
+  (->> '("Doctor Zhivago"
+         )
+       (list/map #'imdb/new-movie)))
+
+(defun imdb/new-movie (name)
+  "Create a new movie with NAME."
+  (make-movie :name name
+              :year nil
+              :director nil
+              :watched? nil))
+
+(defun imdb/org->movie (line)
+  "Parse an org LINE into a movie struct."
+  (let ((match (s-match
+                (pcre-to-elisp "^\*\*\s(TODO|DONE)\s(.+)$")
+                line)))
+    (if (maybe/some? match)
+        (make-movie :name (list/get 2 match)
+                    :year nil
+                    :director nil
+                    :watched? (equal "DONE" (list/get 1 match)))
+      (error (s-concat "Parsing error: " line)))))
+
+;; TODO: Store these in a database or define them herein.
+(defun imdb/org->movies ()
+  "Parse entire IMDB org file into movie structs."
+  (->> "~/Dropbox/org/imdb_top_250.org"
+       f-read
+       (s-split "\n")
+       (-drop 1)
+       (list/filter (>> (s-starts-with? "** ")))
+       (list/map #'imdb/org->movie)))
+
+(defun imdb/watched? (movie)
+  "Return t if MOVIE has been watched."
+  (movie-watched? movie))
+
+(defconst imdb/movies (imdb/org->movies)
+  "Structs of all watched movies.")
+
+(defun imdb/unwatched ()
+  "Return list of unwatched movies."
+  (->> imdb/movies
+       (list/filter (lambda (x) (not (imdb/watched? x))))))
+
+(defun imdb/name (movie)
+  "Return name of MOVIE."
+  (movie-name movie))
+
+
+(defun imdb/suggest ()
+  "Randomly select movie from unwatched list."
+  (->> (imdb/unwatched)
+       (random/choice)
+       (imdb/name)))
+
+(defun imdb/unwatched-list ()
+  "Dump all unwatched movies into a list."
+  (f-write-text (->> (imdb/unwatched)
+                     (list/map #'imdb/name)
+                     (s-join "\n"))
+                'utf-8
+                "/tmp/unwatched.txt"))
+
+(macros/comment
+ (imdb/org->movies)
+ (imdb/unwatched-list)
+ (imdb/suggest)
+ )
+
+(provide 'imdb)
+;;; imdb.el ends here