Add initial non-schedule, non-CSS version.
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commit
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{
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"type": "application",
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"source-directories": [
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"src"
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],
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"elm-version": "0.19.1",
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"dependencies": {
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"direct": {
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"elm/browser": "1.0.2",
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"elm/core": "1.0.5",
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"elm/html": "1.0.0"
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},
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"indirect": {
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"elm/json": "1.1.3",
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"elm/time": "1.0.0",
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"elm/url": "1.0.0",
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"elm/virtual-dom": "1.0.2"
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}
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},
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"test-dependencies": {
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"direct": {},
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"indirect": {}
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}
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}
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<html>
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<head>
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<script src="course.js"></script>
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<link rel="preconnect" href="https://fonts.gstatic.com">
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<link href="https://fonts.googleapis.com/css2?family=Lora&family=Roboto+Mono&display=swap" rel="stylesheet">
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<link rel="stylesheet" media="screen" href="css/style.css">
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</head>
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<body>
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<div id="#elm">
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</div>
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<script>
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var container = document.getElementById("elm");
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var app = Elm.Main.init( { node: container });
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</script>
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</body>
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</html>
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module ClassSchedule.Model exposing (..)
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import Dict exposing (..)
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type Department
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= ComputerScience
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| Mathematics
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| Art
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| Biology
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type alias Crn = (Department, Int)
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type DayOfWeek
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= Monday
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| Tuesday
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| Wednesday
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| Thursday
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| Friday
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| Saturday
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| Sunday
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type DayHalf = AM | PM
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type alias Time = (Int, Int, DayHalf)
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flipDayHalf : DayHalf -> DayHalf
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flipDayHalf dh =
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case dh of
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AM -> PM
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PM -> AM
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addHours : Int -> Time -> Time
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addHours hh (h, m, dh) =
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if h + hh >= 12
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then (h + hh - 12, m, flipDayHalf dh)
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else (h + hh, m, dh)
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addMinutes : Int -> Time -> Time
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addMinutes mm (h, m, dh) =
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let
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remainder = modBy 60 (m + mm)
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hh = (m + mm) // 60
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in
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addHours hh (h, remainder, dh)
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type alias Course =
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{ crn : Crn
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, name : String
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, instructors : List String
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, times : List (DayOfWeek, Time, Time)
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}
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type CourseStatus = None | Selected | Added
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isSelected : CourseStatus -> Bool
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isSelected cs =
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case cs of
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Selected -> True
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_ -> False
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isAdded : CourseStatus -> Bool
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isAdded cs =
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case cs of
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Added -> True
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_ -> False
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type alias Flags = ()
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type Msg
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= SearchInput String
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| SelectTerm String
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| MarkCourse Int CourseStatus
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type alias Model =
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{ terms : Dict String (List (CourseStatus, Course))
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, term : String
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, searchInput : String
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}
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module ClassSchedule.View exposing (..)
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import ClassSchedule.Model exposing (..)
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import Html exposing (Html, div, text, table, td, th, tr, span, input, h1)
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import Html.Attributes exposing (class, classList, type_)
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import Tuple exposing (..)
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import Dict exposing (..)
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viewDept : Department -> String
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viewDept d =
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case d of
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ComputerScience -> "CS"
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Mathematics -> "MTH"
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Art -> "ART"
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Biology -> "BIO"
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viewCrn : Crn -> String
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viewCrn (d, i) = viewDept d ++ " " ++ (String.pad 3 '0' <| String.fromInt i)
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viewTimeNumber : Int -> String
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viewTimeNumber i = String.pad 2 '0' <| String.fromInt i
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viewDayHalf : DayHalf -> String
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viewDayHalf dh =
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case dh of
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AM -> "AM"
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PM -> "PM"
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viewTime : Time -> String
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viewTime (m, h, dh) = viewTimeNumber m ++ ":" ++ viewTimeNumber h ++ viewDayHalf dh
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viewTimeRange : (Time, Time) -> String
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viewTimeRange (t1, t2) = viewTime t1 ++ " to " ++ viewTime t2
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viewDayCode : DayOfWeek -> String
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viewDayCode dw =
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case dw of
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Monday -> "M"
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Tuesday -> "T"
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Wednesday -> "W"
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Thursday -> "R"
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Friday -> "F"
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Saturday -> "S"
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Sunday -> "U"
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unique : List eq -> List eq
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unique l =
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case l of
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[] -> []
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(x::xs) -> x :: unique (List.filter ((/=) x) xs)
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extractTimes : Course -> List (Time, Time)
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extractTimes c =
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let extractTime (d, t1, t2) = (t2, t2)
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in unique <| List.map extractTime (c.times)
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extractClasses : Course -> (Time, Time) -> List DayOfWeek
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extractClasses c (t1, t2) =
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let matches (d, tt1, tt2) = if tt1 == t1 && tt2 == t2 then Just d else Nothing
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in List.filterMap matches (c.times)
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extractTimeCodes : Course -> List String
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extractTimeCodes c =
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let
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fromTime tr =
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let dayCodes = String.concat <| List.map viewDayCode <| extractClasses c tr
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in dayCodes ++ " " ++ viewTimeRange tr
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in List.map fromTime <| extractTimes c
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viewClass : Course -> Html Msg
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viewClass c = tr []
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[ td [] [ text <| viewCrn (c.crn) ]
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, td [] [ text <| c.name ]
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, td [] [ text <| String.join ", " <| c.instructors ]
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, td [] [ text <| String.join ", " <| extractTimeCodes c ]
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]
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viewClassTable : List (CourseStatus, Course) -> Html Msg
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viewClassTable =
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let
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header = tr []
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[ th [] [ text "Crn." ]
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, th [] [ text "Course Name" ]
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, th [] [ text "Instructors" ]
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, th [] [ text "Times" ]
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]
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in
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table [] << (::) header << List.map (viewClass << second)
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viewToolbar : Model -> Html Msg
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viewToolbar m = div []
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[ span [] [ text "Search: " , input [ type_ "text" ] [] ]
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]
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viewClassList : Model -> Html Msg
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viewClassList m = div []
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[ viewToolbar m
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, case get (m.term) (m.terms) of
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Just cs -> viewClassTable cs
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Nothing -> text "Please select a term!"
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]
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viewClassSchedule : Model -> Html Msg
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viewClassSchedule m = text "Class schedule goes here!"
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viewModel : Model -> Html Msg
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viewModel m = div [ class "main" ]
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[ h1 [] [ text "Oregon State University Course Schedule" ]
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, div [ class "split-pane" ]
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[ div [ class "split-elem" ] [ viewClassList m ]
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, div [ class "split-elem" ] [ viewClassSchedule m ]
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]
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]
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module Main exposing (..)
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import ClassSchedule.Model exposing (..)
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import ClassSchedule.View exposing (..)
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import Browser exposing (Document, document)
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import Dict exposing (..)
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import Tuple exposing (..)
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oneHour : Time -> (Time, Time)
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oneHour t = (t, addMinutes 50 t)
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nAm : Int -> Time
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nAm i = (i, 0, AM)
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nPm : Int -> Time
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nPm i = (i, 0, PM)
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onDays : List DayOfWeek -> (Time, Time) -> List (DayOfWeek, Time, Time)
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onDays dds (t1, t2) = List.map (\d -> (d, t1, t2)) dds
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classes : List Course
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classes =
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[ { crn = (ComputerScience, 544)
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, name = "Operating Systems II"
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, instructors = ["Yeongjin Jang"]
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, times = onDays [Tuesday, Thursday] <| oneHour <| nAm 8
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}
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, { crn = (ComputerScience, 480)
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, name = "Translators"
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, instructors = ["Rob Hess"]
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, times = onDays [Tuesday, Thursday] <| oneHour <| nAm 10
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}
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, { crn = (ComputerScience, 583)
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, name = "Advanced Functional Programming"
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, instructors = ["Eric Walkingshaw"]
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, times = onDays [Monday, Wednesday] <| oneHour <| nAm 10
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}
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]
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terms : Dict String (List (CourseStatus, Course))
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terms = Dict.singleton "Spring 2021"
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<| List.map (pair None) classes
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init : Flags -> (Model, Cmd Msg)
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init () = ({ terms = terms, term = "Spring 2021", searchInput = "" }, Cmd.none)
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view : Model -> Document Msg
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view m =
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{ title = "Course Scheduler"
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, body = [ viewModel m ]
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}
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update : Msg -> Model -> (Model, Cmd Msg)
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update msg m = (m, Cmd.none)
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subscriptions : Model -> Sub Msg
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subscriptions m = Sub.none
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main = document
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{ init = init
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, view = view
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, update = update
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, subscriptions = subscriptions
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}
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