Update part4
This commit is contained in:
Richard Feldman
@@ -1,11 +1,7 @@
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module Article.Feed
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exposing
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( FeedConfig
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, ListConfig
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, Model
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( Model
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, Msg
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, defaultFeedConfig
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, defaultListConfig
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, init
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, selectTag
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, update
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@@ -16,9 +12,10 @@ module Article.Feed
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import Api
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import Article exposing (Article, Preview)
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import Article.FeedSources as FeedSources exposing (FeedSources, Source(..))
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import Article.Preview
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import Article.Slug as ArticleSlug exposing (Slug)
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import Article.Tag as Tag exposing (Tag)
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import Author
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import Avatar exposing (Avatar)
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import Browser.Dom as Dom
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import Html exposing (..)
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import Html.Attributes exposing (attribute, class, classList, href, id, placeholder, src)
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@@ -30,9 +27,11 @@ import Json.Decode.Pipeline exposing (required)
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import Page
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import PaginatedList exposing (PaginatedList)
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import Profile
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import Route exposing (Route)
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import Session exposing (Session)
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import Task exposing (Task)
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import Time
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import Timestamp
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import Username exposing (Username)
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import Viewer exposing (Viewer)
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import Viewer.Cred as Cred exposing (Cred)
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@@ -118,9 +117,7 @@ viewArticles timeZone (Model { articles, sources, session }) =
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{-| 👉 TODO Move this logic into PaginatedList.view and make it reusable,
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so we can use it on other pages too!
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💡 HINT: Make `PaginatedList.view` return `Html msg` instead of `Html Msg`. (The function will need to accept an extra argument for this to work.)
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-}
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viewPaginatedList : PaginatedList a -> Int -> Html Msg
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viewPaginatedList paginatedList resultsPerPage =
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@@ -132,7 +129,7 @@ viewPaginatedList paginatedList resultsPerPage =
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PaginatedList.page paginatedList
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viewPageLink currentPage =
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pageLink ClickedFeedPage currentPage (currentPage == activePage)
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pageLink currentPage (currentPage == activePage)
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in
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if totalPages > 1 then
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List.range 1 totalPages
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@@ -148,7 +145,7 @@ pageLink targetPage isActive =
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li [ classList [ ( "page-item", True ), ( "active", isActive ) ] ]
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[ a
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[ class "page-link"
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, onClick (toMsg targetPage)
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, onClick (ClickedFeedPage targetPage)
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-- The RealWorld CSS requires an href to work properly.
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, href ""
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@@ -163,19 +160,54 @@ viewPreview maybeCred timeZone article =
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slug =
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Article.slug article
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config =
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{ title, description, createdAt } =
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Article.metadata article
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author =
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Article.author article
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profile =
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Author.profile author
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username =
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Author.username author
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faveButton =
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case maybeCred of
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Just cred ->
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Just
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{ cred = cred
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, favorite = ClickedFavorite cred slug
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, unfavorite = ClickedUnfavorite cred slug
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}
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let
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{ favoritesCount, favorited } =
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Article.metadata article
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viewButton =
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if favorited then
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Article.unfavoriteButton cred (ClickedUnfavorite cred slug)
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else
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Article.favoriteButton cred (ClickedFavorite cred slug)
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in
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viewButton [ class "pull-xs-right" ]
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[ text (" " ++ String.fromInt favoritesCount) ]
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Nothing ->
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Nothing
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text ""
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in
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Article.Preview.view config timeZone article
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div [ class "article-preview" ]
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[ div [ class "article-meta" ]
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[ a [ Route.href (Route.Profile username) ]
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[ img [ Avatar.src (Profile.avatar profile) ] [] ]
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, div [ class "info" ]
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[ Author.view username
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, Timestamp.view timeZone createdAt
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]
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, faveButton
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]
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, a [ class "preview-link", Route.href (Route.Article (Article.slug article)) ]
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[ h1 [] [ text title ]
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, p [] [ text description ]
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, span [] [ text "Read more..." ]
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]
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]
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viewFeedSources : Model -> Html Msg
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@@ -346,34 +378,42 @@ fetch maybeCred page feedSource =
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offset =
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(page - 1) * articlesPerPage
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listConfig =
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{ defaultListConfig | offset = offset, limit = articlesPerPage }
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params =
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[ ( "limit", String.fromInt articlesPerPage )
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, ( "offset", String.fromInt offset )
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]
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in
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Task.map (PaginatedList.mapPage (\_ -> page)) <|
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case feedSource of
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YourFeed cred ->
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let
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feedConfig =
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{ defaultFeedConfig | offset = offset, limit = articlesPerPage }
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in
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feed feedConfig cred
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params
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|> buildFromQueryParams (Just cred) (Api.url [ "articles", "feed" ])
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|> Cred.addHeader cred
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|> HttpBuilder.toRequest
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|> Http.toTask
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GlobalFeed ->
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list listConfig maybeCred
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|> Http.toTask
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list maybeCred params
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TagFeed tagName ->
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list { listConfig | tag = Just tagName } maybeCred
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|> Http.toTask
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list maybeCred (( "tag", Tag.toString tagName ) :: params)
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FavoritedFeed username ->
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list { listConfig | favorited = Just username } maybeCred
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|> Http.toTask
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list maybeCred (( "favorited", Username.toString username ) :: params)
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AuthorFeed username ->
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list { listConfig | author = Just username } maybeCred
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|> Http.toTask
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list maybeCred (( "author", Username.toString username ) :: params)
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list :
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Maybe Cred
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-> List ( String, String )
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-> Task Http.Error (PaginatedList (Article Preview))
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list maybeCred params =
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buildFromQueryParams maybeCred (Api.url [ "articles" ]) params
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|> Cred.addHeaderIfAvailable maybeCred
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|> HttpBuilder.toRequest
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|> Http.toTask
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replaceArticle : Article a -> Article a -> Article a
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@@ -386,70 +426,6 @@ replaceArticle newArticle oldArticle =
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-- LIST
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type alias ListConfig =
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{ tag : Maybe Tag
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, author : Maybe Username
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, favorited : Maybe Username
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, limit : Int
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, offset : Int
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}
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defaultListConfig : ListConfig
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defaultListConfig =
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{ tag = Nothing
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, author = Nothing
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, favorited = Nothing
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, limit = 20
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, offset = 0
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}
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list : ListConfig -> Maybe Cred -> Http.Request (PaginatedList (Article Preview))
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list config maybeCred =
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[ Maybe.map (\tag -> ( "tag", Tag.toString tag )) config.tag
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, Maybe.map (\author -> ( "author", Username.toString author )) config.author
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, Maybe.map (\favorited -> ( "favorited", Username.toString favorited )) config.favorited
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, Just ( "limit", String.fromInt config.limit )
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, Just ( "offset", String.fromInt config.offset )
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]
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|> List.filterMap identity
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|> buildFromQueryParams maybeCred (Api.url [ "articles" ])
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|> Cred.addHeaderIfAvailable maybeCred
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|> HttpBuilder.toRequest
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-- FEED
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type alias FeedConfig =
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{ limit : Int
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, offset : Int
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}
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defaultFeedConfig : FeedConfig
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defaultFeedConfig =
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{ limit = 10
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, offset = 0
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}
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feed : FeedConfig -> Cred -> Http.Request (PaginatedList (Article Preview))
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feed config cred =
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[ ( "limit", String.fromInt config.limit )
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, ( "offset", String.fromInt config.offset )
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]
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|> buildFromQueryParams (Just cred) (Api.url [ "articles", "feed" ])
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|> Cred.addHeader cred
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|> HttpBuilder.toRequest
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-- SERIALIZATION
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