Start work on forum category indexes

src/migration/migrations/2021-04-29T043548Z_RenameModeratedFields.go

@@ -0,0 +1,60 @@
+package migrations
+
+import (
+	"context"
+	"time"
+
+	"git.handmade.network/hmn/hmn/src/migration/types"
+	"git.handmade.network/hmn/hmn/src/oops"
+	"github.com/jackc/pgx/v4"
+)
+
+func init() {
+	registerMigration(RenameModeratedFields{})
+}
+
+type RenameModeratedFields struct{}
+
+func (m RenameModeratedFields) Version() types.MigrationVersion {
+	return types.MigrationVersion(time.Date(2021, 4, 29, 4, 35, 48, 0, time.UTC))
+}
+
+func (m RenameModeratedFields) Name() string {
+	return "RenameModeratedFields"
+}
+
+func (m RenameModeratedFields) Description() string {
+	return "Rename 'moderated' to 'deleted'"
+}
+
+func (m RenameModeratedFields) Up(ctx context.Context, tx pgx.Tx) error {
+	_, err := tx.Exec(ctx,
+		`
+		ALTER TABLE handmade_thread
+			RENAME moderated TO deleted;
+		ALTER TABLE handmade_post
+			RENAME moderated TO deleted;
+	`)
+	if err != nil {
+		return oops.New(err, "failed to rename columns")
+	}
+
+	_, err = tx.Exec(ctx,
+		`
+		ALTER TABLE handmade_thread
+			ALTER deleted TYPE bool USING CASE WHEN deleted = 0 THEN FALSE ELSE TRUE END;
+		ALTER TABLE handmade_thread ALTER COLUMN deleted SET DEFAULT FALSE;
+
+		ALTER TABLE handmade_post ALTER COLUMN deleted SET DEFAULT FALSE;
+		`,
+	)
+	if err != nil {
+		return oops.New(err, "failed to convert ints to bools")
+	}
+
+	return nil
+}
+
+func (m RenameModeratedFields) Down(ctx context.Context, tx pgx.Tx) error {
+	panic("Implement me")
+}

src/models/post.go

@@ -24,7 +24,7 @@ type Post struct {
 	PostDate     time.Time `db:"postdate"`
 	IP           net.IPNet `db:"ip"`
 	Sticky       bool      `db:"sticky"`
-	Moderated    bool      `db:"moderated"` // TODO: I'm not sure this is ever meaningfully used. It always seems to be 0 / false?
+	Deleted      bool      `db:"deleted"` // TODO: I'm not sure this is ever meaningfully used. It always seems to be 0 / false?
 	Hits         int       `db:"hits"`
 	Featured     bool      `db:"featured"`
 	FeatureVotes int       `db:"featurevotes"` // TODO: Remove this column from the db, it's never used

src/models/thread.go

@@ -10,7 +10,7 @@ type Thread struct {
 	ReplyCount int    `db:"reply_count"`
 	Sticky     bool   `db:"sticky"`
 	Locked     bool   `db:"locked"`
-	Moderated  int    `db:"moderated"`
+	Deleted    bool   `db:"deleted"`
 
 	FirstID *int `db:"first_id"`
 	LastID  *int `db:"last_id"`

src/templates/types.go

@@ -19,7 +19,6 @@ type Thread struct {
 
 	Locked bool
 	Sticky bool
-	Moderated bool
 }
 
 type Post struct {

src/website/feed.go

@@ -32,7 +32,7 @@ func Feed(c *RequestContext) ResponseData {
 			handmade_post AS post
 		WHERE
 			post.category_kind = ANY ($1)
-			AND NOT moderated
+			AND NOT deleted
 		`,
 		[]models.CategoryKind{models.CatKindForum, models.CatKindBlog, models.CatKindWiki, models.CatKindLibraryResource},
 	)
@@ -41,7 +41,7 @@ func Feed(c *RequestContext) ResponseData {
 		return ErrorResponse(http.StatusInternalServerError, oops.New(err, "failed to get count of feed posts"))
 	}
 
-	numPages := int(math.Ceil(float64(numPosts) / 30))
+	numPages := int(math.Ceil(float64(numPosts) / postsPerPage))
 
 	page := 1
 	pageString, hasPage := c.PathParams["page"]
@@ -102,7 +102,7 @@ func Feed(c *RequestContext) ResponseData {
 			LEFT OUTER JOIN auth_user ON post.author_id = auth_user.id
 		WHERE
 			post.category_kind = ANY ($2)
-			AND post.moderated = FALSE
+			AND post.deleted = FALSE
 			AND post.thread_id IS NOT NULL
 		ORDER BY postdate DESC
 		LIMIT $3 OFFSET $4

src/website/forums.go

@@ -0,0 +1,164 @@
+package website
+
+import (
+	"fmt"
+	"math"
+	"net/http"
+	"strconv"
+	"strings"
+	"time"
+
+	"git.handmade.network/hmn/hmn/src/db"
+	"git.handmade.network/hmn/hmn/src/models"
+	"git.handmade.network/hmn/hmn/src/oops"
+)
+
+func ForumCategory(c *RequestContext) ResponseData {
+	const threadsPerPage = 25
+
+	catPath := c.PathParams["cats"]
+	catSlugs := strings.Split(catPath, "/")
+
+	catSlug := catSlugs[len(catSlugs)-1]
+	if len(catSlugs) == 1 {
+		catSlug = ""
+	}
+
+	// TODO: Is this query right? Do we need to do a better special case for when it's the root category?
+	currentCatId, err := db.QueryInt(c.Context(), c.Conn,
+		`
+		SELECT id
+		FROM handmade_category
+		WHERE
+			slug = $1
+			AND kind = $2
+			AND project_id = $3
+		`,
+		catSlug,
+		models.CatKindForum,
+		c.CurrentProject.ID,
+	)
+	if err != nil {
+		panic(oops.New(err, "failed to get current category id"))
+	}
+
+	numThreads, err := db.QueryInt(c.Context(), c.Conn,
+		`
+		SELECT COUNT(*)
+		FROM handmade_thread AS thread
+		WHERE
+			thread.category_id = $1
+			AND NOT thread.deleted
+		`,
+		currentCatId,
+	)
+	if err != nil {
+		panic(oops.New(err, "failed to get count of threads"))
+	}
+
+	numPages := int(math.Ceil(float64(numThreads) / threadsPerPage))
+
+	page := 1
+	pageString, hasPage := c.PathParams["page"]
+	if hasPage && pageString != "" {
+		if pageParsed, err := strconv.Atoi(pageString); err == nil {
+			page = pageParsed
+		} else {
+			return c.Redirect("/feed", http.StatusSeeOther) // TODO
+		}
+	}
+	if page < 1 || numPages < page {
+		return c.Redirect("/feed", http.StatusSeeOther) // TODO
+	}
+
+	howManyThreadsToSkip := (page - 1) * threadsPerPage
+
+	var currentUserId *int
+	if c.CurrentUser != nil {
+		currentUserId = &c.CurrentUser.ID
+	}
+
+	type mainPostsQueryResult struct {
+		Thread             models.Thread `db:"thread"`
+		FirstPost          models.Post   `db:"firstpost"`
+		LastPost           models.Post   `db:"lastpost"`
+		ThreadLastReadTime *time.Time    `db:"tlri.lastread"`
+		CatLastReadTime    *time.Time    `db:"clri.lastread"`
+	}
+	itMainThreads, err := db.Query(c.Context(), c.Conn, mainPostsQueryResult{},
+		`
+		SELECT $columns
+		FROM
+			handmade_thread AS thread
+			JOIN handmade_post AS firstpost ON thread.first_id = firstpost.id
+			JOIN handmade_post AS lastpost ON thread.last_id = lastpost.id
+			LEFT OUTER JOIN handmade_threadlastreadinfo AS tlri ON (
+				tlri.thread_id = thread.id
+				AND tlri.user_id = $2
+			)
+			LEFT OUTER JOIN handmade_categorylastreadinfo AS clri ON (
+				clri.category_id = $1
+				AND clri.user_id = $2
+			)
+			-- LEFT OUTER JOIN auth_user ON post.author_id = auth_user.id
+		WHERE
+			thread.category_id = $1
+			AND NOT thread.deleted
+		ORDER BY lastpost.postdate DESC
+		LIMIT $3 OFFSET $4
+		`,
+		currentCatId,
+		currentUserId,
+		threadsPerPage,
+		howManyThreadsToSkip,
+	)
+	if err != nil {
+		panic(oops.New(err, "failed to fetch threads"))
+	}
+
+	var res ResponseData
+
+	for _, irow := range itMainThreads.ToSlice() {
+		row := irow.(*mainPostsQueryResult)
+		res.Write([]byte(fmt.Sprintf("%s\n", row.Thread.Title)))
+	}
+
+	// ---------------------
+	// Subcategory things
+	// ---------------------
+
+	c.Perf.StartBlock("SQL", "Fetch subcategories")
+	type queryResult struct {
+		Cat models.Category `db:"cat"`
+	}
+	itSubcats, err := db.Query(c.Context(), c.Conn, queryResult{},
+		`
+		WITH current AS (
+			SELECT id
+			FROM handmade_category
+			WHERE
+				slug = $1
+				AND kind = $2
+				AND project_id = $3
+		)
+		SELECT $columns
+		FROM
+			handmade_category AS cat,
+			current
+		WHERE
+			cat.id = current.id
+			OR cat.parent_id = current.id
+		`,
+		catSlug,
+		models.CatKindForum,
+		c.CurrentProject.ID,
+	)
+	if err != nil {
+		panic(oops.New(err, "failed to fetch subcategories"))
+	}
+	c.Perf.EndBlock()
+
+	_ = itSubcats // TODO: Actually query subcategory post data
+
+	return res
+}

src/website/landing.go

@@ -101,7 +101,7 @@ func Index(c *RequestContext) ResponseData {
 			WHERE
 				post.project_id = $2
 				AND post.category_kind IN ($3, $4, $5, $6)
-				AND post.moderated = FALSE
+				AND post.deleted = FALSE
 			ORDER BY postdate DESC
 			LIMIT $7
 			`,
@@ -258,7 +258,7 @@ func Index(c *RequestContext) ResponseData {
 			cat.project_id = $1
 			AND cat.kind = $2
 			AND post.id = thread.first_id
-			AND thread.moderated = 0
+			AND NOT thread.deleted
 		ORDER BY post.postdate DESC
 		LIMIT 1
 		`,

src/website/routes.go

@@ -72,7 +72,7 @@ func NewWebsiteRoutes(conn *pgxpool.Pool, perfCollector *perf.PerfCollector) htt
 	})
 	mainRoutes.GET(`^/feed(/(?P<page>.+)?)?$`, Feed)
 
-	// mainRoutes.GET(`^/(?P<cats>forums(/cat)*)$`, Category)
+	mainRoutes.GET(`^/(?P<cats>forums(/.+?)*)$`, ForumCategory)
 	// mainRoutes.GET(`^/(?P<cats>forums(/cat)*)/t/(?P<threadid>\d+)/p/(?P<postid>\d+)$`, ForumPost)
 
 	mainRoutes.GET("^/assets/project.css$", ProjectCSS)