hmn/src/website/post_helper.go

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2021-05-11 22:53:23 +00:00
package website
import (
"git.handmade.network/hmn/hmn/src/hmnurl"
"git.handmade.network/hmn/hmn/src/models"
"git.handmade.network/hmn/hmn/src/templates"
)
// NOTE(asaf): Please don't use this if you already know the kind of the post beforehand. Just call the appropriate build function.
// You may pass 0 for `libraryResourceId` if the post is not a library resource post.
func UrlForGenericPost(post *models.Post, subforums []string, threadTitle string, libraryResourceId int, projectSlug string) string {
switch post.CategoryKind {
case models.CatKindBlog:
return hmnurl.BuildBlogPost(projectSlug, post.ThreadID, post.ID)
case models.CatKindForum:
return hmnurl.BuildForumPost(projectSlug, subforums, post.ThreadID, post.ID)
case models.CatKindWiki:
if post.ParentID == nil {
// NOTE(asaf): First post on a wiki "thread" is the wiki article itself
return hmnurl.BuildWikiArticle(projectSlug, post.ThreadID, threadTitle)
} else {
// NOTE(asaf): Subsequent posts on a wiki "thread" are wiki talk posts
return hmnurl.BuildWikiTalkPost(projectSlug, post.ThreadID, post.ID)
}
case models.CatKindLibraryResource:
return hmnurl.BuildLibraryPost(projectSlug, libraryResourceId, post.ThreadID, post.ID)
}
return hmnurl.BuildProjectHomepage(projectSlug)
}
var PostTypeMap = map[models.CategoryKind][]templates.PostType{
models.CatKindBlog: []templates.PostType{templates.PostTypeBlogPost, templates.PostTypeBlogComment},
models.CatKindForum: []templates.PostType{templates.PostTypeForumThread, templates.PostTypeForumReply},
models.CatKindWiki: []templates.PostType{templates.PostTypeWikiCreate, templates.PostTypeWikiTalk},
models.CatKindLibraryResource: []templates.PostType{templates.PostTypeLibraryComment, templates.PostTypeLibraryComment},
}
var PostTypePrefix = map[templates.PostType]string{
templates.PostTypeBlogPost: "New blog post",
templates.PostTypeBlogComment: "Blog comment",
templates.PostTypeForumThread: "New forum thread",
templates.PostTypeForumReply: "Forum reply",
templates.PostTypeWikiCreate: "New wiki page",
templates.PostTypeWikiTalk: "Wiki comment",
templates.PostTypeWikiEdit: "Wiki edit",
templates.PostTypeLibraryComment: "Library comment",
}
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// NOTE(asaf): THIS DOESN'T HANDLE WIKI EDIT ITEMS. Wiki edits are PostTextVersions, not Posts.
func MakePostListItem(lineageBuilder *models.CategoryLineageBuilder, project *models.Project, thread *models.Thread, post *models.Post, user *models.User, libraryResource *models.LibraryResource, unread bool, includeBreadcrumbs bool, currentTheme string) templates.PostListItem {
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var result templates.PostListItem
result.Title = thread.Title
result.User = templates.UserToTemplate(user, currentTheme)
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result.Date = post.PostDate
result.Unread = unread
libraryResourceId := 0
if libraryResource != nil {
libraryResourceId = libraryResource.ID
}
result.Url = UrlForGenericPost(post, lineageBuilder.GetSubforumLineageSlugs(post.CategoryID), thread.Title, libraryResourceId, project.Slug)
result.Preview = post.Preview
postType := templates.PostTypeUnknown
postTypeOptions, found := PostTypeMap[post.CategoryKind]
if found {
var hasParent int
if post.ParentID != nil {
hasParent = 1
}
postType = postTypeOptions[hasParent]
}
result.PostType = postType
result.PostTypePrefix = PostTypePrefix[result.PostType]
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if includeBreadcrumbs {
result.Breadcrumbs = append(result.Breadcrumbs, templates.Breadcrumb{
Name: project.Name,
Url: hmnurl.BuildProjectHomepage(project.Slug),
})
result.Breadcrumbs = append(result.Breadcrumbs, templates.Breadcrumb{
Name: CategoryKindDisplayNames[post.CategoryKind],
Url: BuildProjectMainCategoryUrl(project.Slug, post.CategoryKind),
})
switch post.CategoryKind {
case models.CatKindForum:
subforums := lineageBuilder.GetSubforumLineage(post.CategoryID)
slugs := lineageBuilder.GetSubforumLineageSlugs(post.CategoryID)
for i, subforum := range subforums {
result.Breadcrumbs = append(result.Breadcrumbs, templates.Breadcrumb{
Name: *subforum.Name, // NOTE(asaf): All subforum categories must have names.
Url: hmnurl.BuildForumCategory(project.Slug, slugs[0:i+1], 1),
})
}
case models.CatKindLibraryResource:
result.Breadcrumbs = append(result.Breadcrumbs, templates.Breadcrumb{
Name: libraryResource.Name,
Url: hmnurl.BuildLibraryResource(project.Slug, libraryResource.ID),
})
}
}
return result
}