summaryrefslogtreecommitdiffstats
path: root/ThreadView.hs
blob: 091c2d05e7cc167a191ca50265ed2d4cb65d4ff7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE LambdaCase #-}


module ThreadView where

import Data.Default
import Graphics.Vty

import Data.List

--import Data.Aeson
--import Data.List.Split
--import Data.Attoparsec.ByteString hiding (string)
--import Data.Maybe
import Data.Monoid
--import Data.String
--import Data.Traversable
import Data.Tree
--import qualified Data.ByteString as BS
--import qualified Data.ByteString.Lazy as LBS
--import qualified Data.ByteString.Char8 as BS8
--import qualified Data.Text.Lazy as TL
import qualified Data.Text as T
--import qualified Data.Text.Encoding as T
--import qualified Data.Text.IO as T
--import Data.Version (Version(..), parseVersion)
--import System.Process
--import System.IO
--import qualified Data.Map as M

--import Notmuch.SearchResult
import Notmuch.Message
--import Notmuch
import Safe


type LineNr = Int


data ThreadView
    = ClosedMessage Message
    | OpenMessage Message
    | MessageLine Message MessagePart LineNr String
    | TVMessagePart Message MessagePart
  deriving (Show)

instance Eq ThreadView where
    MessageLine m1 mp1 ln1 _s1 == MessageLine m2 mp2 ln2 _s2 =
        m1 == m2 && mp1 == mp2 && ln1 == ln2
    a == b =
        isMessage a && isMessage b && tvMsgId a == tvMsgId b


isMessage :: ThreadView -> Bool
isMessage (ClosedMessage _) = True
isMessage (OpenMessage _) = True
isMessage _ = False


tvMsgId :: ThreadView -> Maybe MessageID
tvMsgId (ClosedMessage m) = Just $ messageId m
tvMsgId (OpenMessage m) = Just $ messageId m
tvMsgId _ = Nothing



describe :: ThreadView -> String
describe (ClosedMessage m) = "ClosedMessage " <> unMessageID (messageId m)
describe (OpenMessage m) = "OpenMessage " <> unMessageID (messageId m)
describe (MessageLine _ _ _ s) = "MessageLine " <> show s
describe (TVMessagePart _ p) = "TVMessagePart " <> show (partID p)


--focusPrev t_cur t = do
--    i <- findIndex ((==t_cur) . messageId) msgs
--    m' <- msgs `atMay` (i - 1)
--    return $ messageId m'
--  where
--    msgs = flatten t
--
--focusNext t_cur t = do
--    i <- findIndex ((==t_cur) . messageId) msgs
--    m' <- msgs `atMay` (i + 1)
--    return $ messageId m'
--  where
--    msgs = flatten t

focusPrev :: Tree ThreadView -> Maybe ThreadView -> Maybe ThreadView
focusPrev v Nothing = lastMay (flatten v)
focusPrev v (Just cur) = do
    i <- elemIndex cur items
    maybe (lastMay items) Just $ atMay items (i - 1)
  where
    items = flatten v

focusNext :: Tree ThreadView -> Maybe ThreadView -> Maybe ThreadView
focusNext v Nothing = headMay (flatten v)
focusNext v (Just cur) = do
    i <- elemIndex cur items
    maybe (headMay items) Just $ atMay items (i + 1)
  where
    items = flatten v


findMessage :: MessageID -> Tree ThreadView -> Maybe ThreadView
findMessage i =
    find p . flatten
  where
    p (ClosedMessage m) = i == messageId m
    p (OpenMessage m) = i == messageId m
    p _ = False

findTV :: ThreadView -> Tree ThreadView -> Maybe ThreadView
findTV x =
    find (==x) . flatten



fromMessageTree :: Tree Message -> Tree ThreadView
fromMessageTree (Node m ms) =
    Node m' ms'
  where
    isOpen = "open" `elem` messageTags m

    m' :: ThreadView
    m' =
        if isOpen
            then OpenMessage m
            else ClosedMessage m

    ms' :: Forest ThreadView
    ms' = if isOpen
              then xconvBody m <> map fromMessageTree ms
              else map fromMessageTree ms

xconvBody :: Message -> Forest ThreadView
xconvBody m = mconcat $ map (xconvPart m) (messageBody m)

xconvPart :: Message -> MessagePart -> Forest ThreadView
xconvPart m p = xconvPartContent m p $ partContent p

xconvPartContent
  :: Message -> MessagePart -> MessageContent -> Forest ThreadView
xconvPartContent m p = \case
    ContentText t ->
        map (xconvLine m p) $ zip [0..] (T.lines t)
    ContentMultipart parts ->
        map (xconvPart2 m) parts
        -- [Node (MessageLine m p 0 "ContentMultipart") []]
    ContentMsgRFC822 _ ->
        [Node (MessageLine m p 0 "ContentMsgRFC822") []]


xconvPart2 :: Message -> MessagePart -> Tree ThreadView
xconvPart2 m p =
    Node (TVMessagePart m p) []


xconvLine
  :: Message -> MessagePart -> (LineNr, T.Text) -> Tree ThreadView
xconvLine m p (i, s) =
    Node (MessageLine m p i $ T.unpack s) []



threadViewImage :: Bool -> ThreadView -> Image
threadViewImage hasFocus = \case
    ClosedMessage m ->
        string cm (unMessageID $ messageId m)
        <|>
        translateX 1 (
          horizCat $
              intersperse (string cm ", ") $
              map (text' tagColor) $
              messageTags m
        )

    OpenMessage m ->
        string om (unMessageID $ messageId m)
        <|>
        translateX 1 (
          horizCat $
              intersperse (string om ", ") $
              map (text' tagColor) $
              messageTags m
        )

    MessageLine _ _ _ s ->
        string ml s

    TVMessagePart _ p ->
        string def "TVMessagePart"
          <|> translateX 1 (string def $ show $ partContentType p)
          <-> translateX 2 (partImage p)

  where
    --c1 = if hasFocus then c1_focus else c1_nofocus
    --c1_nofocus = withForeColor def $ Color240 $ -16 + 238
    --c1_focus = withForeColor def $ Color240 $ -16 + 244
    --c2 = withForeColor def $ Color240 $ -16 + 106
    --c3 = withForeColor def $ Color240 $ -16 + 199

    tagColor = if hasFocus then tagColor_y else tagColor_n
    tagColor_y = withForeColor def $ color 230
    tagColor_n = withForeColor def $ color 200

    cm = if hasFocus then cm_y else cm_n
    cm_y = withForeColor def $ color 46
    cm_n = withForeColor def $ color 22

    om = if hasFocus then om_y else om_n
    om_y = withForeColor def $ color 82
    om_n = withForeColor def $ color 58

    ml = if hasFocus then ml_y else ml_n
    ml_y = withForeColor def $ color 226
    ml_n = withForeColor def $ color 202

    --ph = if hasFocus then ph_y else ph_n
    --ph_y = withForeColor def $ color 241
    --ph_n = withForeColor def $ color 235

    color i = Color240 $ -16 + i



partImage :: MessagePart -> Image
partImage p = case partContentType p of
    "text/plain" ->
        partContentImage $ partContent p
        --string def (show $ partContent p)
    "multipart/alternative" ->
        partContentImage $ partContent p
    "multipart/signed" ->
        partContentImage $ partContent p
    _ ->
        mempty



partTextLineImage :: String -> Image
partTextLineImage s =
    string def s


--messageImage hasFocus m@Message{..} =
--    string c1 (unMessageID messageId)
--    <|>
--    translateX 1 (
--      text' c2 (fromJust $ M.lookup "From" messageHeaders)
--    )
--    <|>
--    translateX 1 (
--      horizCat $ intersperse (string c1 ", ") $ map (text' c3) messageTags
--    )
--    <->
--    translateX 4
--        (if "open" `elem` messageTags
--            then messageBodyImage m
--            else mempty)
--
--  where
--    c1 = if hasFocus then c1_focus else c1_nofocus
--    c1_nofocus = withForeColor def $ Color240 $ -16 + 238
--    c1_focus = withForeColor def $ Color240 $ -16 + 244
--    c2 = withForeColor def $ Color240 $ -16 + 106
--    c3 = withForeColor def $ Color240 $ -16 + 199
--
--
--
--
--messageBodyImage = vertCat . map messagePartImage . messageBody
--
--messagePartImage = partContentImage . partContent
--

partContentImage (ContentText t) =
    vertCat $ map (text' def) $ T.lines t

partContentImage (ContentMultipart parts) =
    --string def "ContentMultipart"
    vertCat $ map partImage parts


partContentImage (ContentMsgRFC822 _) = string def "ContentMsgRFC822"