316 lines
9.0 KiB
Go
316 lines
9.0 KiB
Go
package website
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import (
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"fmt"
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"math"
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"net/http"
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"strings"
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"time"
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"github.com/google/uuid"
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"git.handmade.network/hmn/hmn/src/db"
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"git.handmade.network/hmn/hmn/src/hmnurl"
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"git.handmade.network/hmn/hmn/src/models"
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"git.handmade.network/hmn/hmn/src/oops"
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"git.handmade.network/hmn/hmn/src/templates"
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"git.handmade.network/hmn/hmn/src/utils"
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)
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type FeedData struct {
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templates.BaseData
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Posts []templates.PostListItem
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Pagination templates.Pagination
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AtomFeedUrl string
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MarkAllReadUrl string
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}
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const feedPostsPerPage = 30
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var feedThreadTypes = []models.ThreadType{
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models.ThreadTypeForumPost,
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models.ThreadTypeProjectBlogPost,
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}
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func Feed(c *RequestContext) ResponseData {
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numPosts, err := CountPosts(c.Context(), c.Conn, c.CurrentUser, PostsQuery{
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ThreadTypes: feedThreadTypes,
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})
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if err != nil {
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return c.ErrorResponse(http.StatusInternalServerError, err)
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}
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numPages := int(math.Ceil(float64(numPosts) / feedPostsPerPage))
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page, numPages, ok := getPageInfo(c.PathParams["page"], numPosts, feedPostsPerPage)
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if !ok {
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return c.Redirect(hmnurl.BuildFeed(), http.StatusSeeOther)
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}
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pagination := templates.Pagination{
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Current: page,
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Total: numPages,
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FirstUrl: hmnurl.BuildFeed(),
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LastUrl: hmnurl.BuildFeedWithPage(numPages),
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NextUrl: hmnurl.BuildFeedWithPage(utils.IntClamp(1, page+1, numPages)),
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PreviousUrl: hmnurl.BuildFeedWithPage(utils.IntClamp(1, page-1, numPages)),
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}
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posts, err := fetchAllPosts(c, (page-1)*feedPostsPerPage, feedPostsPerPage)
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if err != nil {
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return c.ErrorResponse(http.StatusInternalServerError, oops.New(err, "failed to fetch feed posts"))
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}
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baseData := getBaseDataAutocrumb(c, "Feed")
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baseData.BodyClasses = append(baseData.BodyClasses, "feed")
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var res ResponseData
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res.MustWriteTemplate("feed.html", FeedData{
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BaseData: baseData,
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AtomFeedUrl: hmnurl.BuildAtomFeed(),
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MarkAllReadUrl: c.UrlContext.BuildForumMarkRead(0),
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Posts: posts,
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Pagination: pagination,
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}, c.Perf)
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return res
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}
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type FeedType int
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const (
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FeedTypeAll = iota
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FeedTypeProjects
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FeedTypeShowcase
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)
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// NOTE(asaf): UUID values copied from old website
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var (
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FeedIDAll = "urn:uuid:1084fd28-993a-4961-9011-39ddeaeb3711"
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FeedIDProjects = "urn:uuid:cfad0d50-cbcf-11e7-82d7-db1d52543cc7"
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FeedIDShowcase = "urn:uuid:37d29027-2892-5a21-b521-951246c7aa46"
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)
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type AtomFeedData struct {
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Title string
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Subtitle string
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HomepageUrl string
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AtomFeedUrl string
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FeedUrl string
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CopyrightStatement string
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SiteVersion string
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Updated time.Time
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FeedID string
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FeedType FeedType
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Posts []templates.PostListItem
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Projects []templates.Project
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Snippets []templates.TimelineItem
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}
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func AtomFeed(c *RequestContext) ResponseData {
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itemsPerFeed := 25 // NOTE(asaf): Copied from old website
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feedData := AtomFeedData{
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HomepageUrl: hmnurl.BuildHomepage(),
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CopyrightStatement: fmt.Sprintf("Copyright (C) 2014-%d Handmade.Network and its contributors", time.Now().Year()),
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SiteVersion: "2.0",
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}
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feedType, hasType := c.PathParams["feedtype"]
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if !hasType || len(feedType) == 0 {
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feedData.Title = "New Threads, Blog Posts, Replies and Comments | Site-wide | Handmade.Network"
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feedData.Subtitle = feedData.Title
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feedData.FeedType = FeedTypeAll
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feedData.FeedID = FeedIDAll
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feedData.AtomFeedUrl = hmnurl.BuildAtomFeed()
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feedData.FeedUrl = hmnurl.BuildFeed()
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posts, err := fetchAllPosts(c, 0, itemsPerFeed)
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if err != nil {
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return c.ErrorResponse(http.StatusInternalServerError, oops.New(err, "failed to fetch feed posts"))
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}
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feedData.Posts = posts
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updated := time.Now()
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if len(posts) > 0 {
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updated = posts[0].Date
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}
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feedData.Updated = updated
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} else {
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switch strings.ToLower(feedType) {
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case "projects":
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feedData.Title = "New Projects | Site-wide | Handmade.Network"
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feedData.Subtitle = feedData.Title
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feedData.FeedType = FeedTypeProjects
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feedData.FeedID = FeedIDProjects
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feedData.AtomFeedUrl = hmnurl.BuildAtomFeedForProjects()
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feedData.FeedUrl = hmnurl.BuildProjectIndex(1)
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c.Perf.StartBlock("SQL", "Fetching projects")
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type projectResult struct {
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Project models.Project `db:"project"`
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}
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_, hasAll := c.Req.URL.Query()["all"]
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if hasAll {
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itemsPerFeed = 100000
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}
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projects, err := db.Query(c.Context(), c.Conn, projectResult{},
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`
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SELECT $columns
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FROM
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handmade_project AS project
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WHERE
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project.lifecycle = ANY($1)
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AND NOT project.hidden
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ORDER BY date_approved DESC
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LIMIT $2
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`,
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models.VisibleProjectLifecycles,
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itemsPerFeed,
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)
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if err != nil {
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return c.ErrorResponse(http.StatusInternalServerError, oops.New(err, "failed to fetch feed projects"))
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}
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var projectIds []int
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projectMap := make(map[int]int) // map[project id]index in slice
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for _, p := range projects.ToSlice() {
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project := p.(*projectResult).Project
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templateProject := templates.ProjectToTemplate(&project, UrlContextForProject(&project).BuildHomepage(), c.Theme)
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templateProject.UUID = uuid.NewSHA1(uuid.NameSpaceURL, []byte(templateProject.Url)).URN()
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projectIds = append(projectIds, project.ID)
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feedData.Projects = append(feedData.Projects, templateProject)
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projectMap[project.ID] = len(feedData.Projects) - 1
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}
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c.Perf.EndBlock()
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c.Perf.StartBlock("SQL", "Fetching project owners")
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type ownerResult struct {
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User models.User `db:"auth_user"`
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ProjectID int `db:"uproj.project_id"`
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}
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owners, err := db.Query(c.Context(), c.Conn, ownerResult{},
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`
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SELECT $columns
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FROM
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handmade_user_projects AS uproj
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JOIN auth_user ON uproj.user_id = auth_user.id
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WHERE
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uproj.project_id = ANY($1)
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`,
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projectIds,
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)
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if err != nil {
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return c.ErrorResponse(http.StatusInternalServerError, oops.New(err, "failed to fetch feed projects owners"))
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}
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for _, res := range owners.ToSlice() {
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owner := res.(*ownerResult)
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templateProject := &feedData.Projects[projectMap[owner.ProjectID]]
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templateProject.Owners = append(templateProject.Owners, templates.UserToTemplate(&owner.User, ""))
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}
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c.Perf.EndBlock()
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updated := time.Now()
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if len(feedData.Projects) > 0 {
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updated = feedData.Projects[0].DateApproved
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}
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feedData.Updated = updated
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case "showcase":
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feedData.Title = "Showcase | Site-wide | Handmade.Network"
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feedData.Subtitle = feedData.Title
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feedData.FeedType = FeedTypeShowcase
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feedData.FeedID = FeedIDShowcase
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feedData.AtomFeedUrl = hmnurl.BuildAtomFeedForShowcase()
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feedData.FeedUrl = hmnurl.BuildShowcase()
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c.Perf.StartBlock("SQL", "Fetch showcase snippets")
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type snippetQuery struct {
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Owner models.User `db:"owner"`
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Snippet models.Snippet `db:"snippet"`
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Asset *models.Asset `db:"asset"`
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DiscordMessage *models.DiscordMessage `db:"discord_message"`
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}
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snippetQueryResult, err := db.Query(c.Context(), c.Conn, snippetQuery{},
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`
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SELECT $columns
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FROM
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handmade_snippet AS snippet
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INNER JOIN auth_user AS owner ON owner.id = snippet.owner_id
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LEFT JOIN handmade_asset AS asset ON asset.id = snippet.asset_id
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LEFT JOIN handmade_discordmessage AS discord_message ON discord_message.id = snippet.discord_message_id
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WHERE
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NOT snippet.is_jam
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ORDER BY snippet.when DESC
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LIMIT $1
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`,
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itemsPerFeed,
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)
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if err != nil {
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return c.ErrorResponse(http.StatusInternalServerError, oops.New(err, "failed to fetch snippets"))
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}
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snippetQuerySlice := snippetQueryResult.ToSlice()
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for _, s := range snippetQuerySlice {
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row := s.(*snippetQuery)
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timelineItem := SnippetToTimelineItem(&row.Snippet, row.Asset, row.DiscordMessage, &row.Owner, c.Theme)
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feedData.Snippets = append(feedData.Snippets, timelineItem)
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}
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c.Perf.EndBlock()
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updated := time.Now()
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if len(feedData.Snippets) > 0 {
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updated = feedData.Snippets[0].Date
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}
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feedData.Updated = updated
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default:
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return FourOhFour(c)
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}
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}
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var res ResponseData
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res.MustWriteTemplate("atom.xml", feedData, c.Perf)
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return res
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}
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func fetchAllPosts(c *RequestContext, offset int, limit int) ([]templates.PostListItem, error) {
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postsAndStuff, err := FetchPosts(c.Context(), c.Conn, c.CurrentUser, PostsQuery{
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ThreadTypes: feedThreadTypes,
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Limit: limit,
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Offset: offset,
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SortDescending: true,
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})
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if err != nil {
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return nil, err
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}
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c.Perf.StartBlock("SQL", "Fetch subforum tree")
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subforumTree := models.GetFullSubforumTree(c.Context(), c.Conn)
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lineageBuilder := models.MakeSubforumLineageBuilder(subforumTree)
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c.Perf.EndBlock()
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c.Perf.StartBlock("FEED", "Build post items")
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var postItems []templates.PostListItem
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for _, postAndStuff := range postsAndStuff {
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postItem := MakePostListItem(
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lineageBuilder,
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&postAndStuff.Project,
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&postAndStuff.Thread,
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&postAndStuff.Post,
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postAndStuff.Author,
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postAndStuff.Unread,
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true,
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c.Theme,
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)
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postItem.UUID = uuid.NewSHA1(uuid.NameSpaceURL, []byte(postItem.Url)).URN()
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postItem.LastEditDate = postAndStuff.CurrentVersion.Date
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postItems = append(postItems, postItem)
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}
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c.Perf.EndBlock()
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return postItems, nil
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}
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