feat: profile bio

internal/handler/social.go

@@ -678,6 +678,7 @@ func (h *ProfileHandler) Get(w http.ResponseWriter, r *http.Request) {
 		"handle":             u.Handle,
 		"name":               u.Name,
 		"avatar_url":         u.AvatarURL,
+		"bio":                u.Bio,
 		"joined_at":          u.CreatedAt,
 		"country":            u.Country,
 		"post_count":         count,

internal/handler/user.go

@@ -30,6 +30,7 @@ type updateProfileReq struct {
 	Name      *string `json:"name"`
 	AvatarURL *string `json:"avatar_url"`
 	Handle    *string `json:"handle"`
+	Bio       *string `json:"bio"`
 	Country   *string `json:"country"`
 	// Devotional profile (user-editable).
 	Sampradaya          *string `json:"sampradaya"`
@@ -57,6 +58,7 @@ func (h *UserHandler) UpdateProfile(w http.ResponseWriter, r *http.Request) {
 		Name:                  req.Name,
 		AvatarURL:             req.AvatarURL,
 		Handle:                req.Handle,
+		Bio:                   req.Bio,
 		Country:               req.Country,
 		Sampradaya:            req.Sampradaya,
 		Gender:                req.Gender,

internal/model/social.go

@@ -149,6 +149,8 @@ type PublicProfile struct {
 	Handle    string  `json:"handle"`
 	Name      string  `json:"name"`
 	AvatarURL *string `json:"avatar_url"`
+	// Bio is plain text; `@handle` mentions are linkified at render time.
+	Bio           *string   `json:"bio"`
 	JoinedAt      time.Time `json:"joined_at"`
 	PostCount     int       `json:"post_count"`
 	BookmarkCount int       `json:"-"` // never serialized — private

internal/model/user.go

@@ -52,6 +52,13 @@ type User struct {
 	// public profile exposes only the derived `is_direct_disciple` flag.
 	DiscipleID *string `json:"-"`
 
+	// Bio is a short self-introduction (max 200 characters, enforced in the
+	// service by rune count) shown on the profile header. Stored as PLAIN
+	// TEXT — `@handle` mentions are kept verbatim and linkified by the
+	// frontend at render time, so it must never be injected as HTML.
+	// nil when unset.
+	Bio *string `json:"bio"`
+
 	// --- Devotional profile (user-editable) ---
 	// Gender is a free-but-constrained string ("male"|"female"|"other"),
 	// nil when unspecified.

internal/repository/user_repo.go

@@ -38,7 +38,7 @@ const userColumns = `id, email, handle, password_hash, name, avatar_url, role, p
 	sampradaya, gender, initiated, initiated_at, daily_chanting_rounds,
 	preferred_chanting_time, peak_active_time, banned_at,
 	bookmark_limit, public_collection_limit, private_collection_limit,
-	disciple_id`
+	disciple_id, bio`
 
 // rowScanner is satisfied by both pgx.Row (QueryRow) and pgx.Rows, so
 // scanUser works for single-row and iterated reads alike.
@@ -54,7 +54,7 @@ func scanUser(row rowScanner, u *model.User) error {
 		&u.Sampradaya, &u.Gender, &u.Initiated, &u.InitiatedAt, &u.DailyChantingRounds,
 		&u.PreferredChantingTime, &u.PeakActiveTime, &u.BannedAt,
 		&u.BookmarkLimit, &u.PublicCollectionLimit, &u.PrivateCollectionLimit,
-		&u.DiscipleID,
+		&u.DiscipleID, &u.Bio,
 	)
 }
 
@@ -66,6 +66,7 @@ type ProfileUpdate struct {
 	Name                  *string
 	AvatarURL             *string
 	Handle                *string
+	Bio                   *string // nil=leave, ""=clear, text=set
 	Country               *string
 	Sampradaya            *string // nil=leave, ""=clear, code=set
 	Gender                *string
@@ -232,6 +233,7 @@ func (r *UserRepo) UpdateProfile(ctx context.Context, id string, p ProfileUpdate
 		set("handle", *p.Handle)
 	}
 	nullableString("avatar_url", p.AvatarURL)
+	nullableString("bio", p.Bio)
 	nullableString("country", p.Country)
 	nullableString("sampradaya", p.Sampradaya)
 	nullableString("gender", p.Gender)

internal/service/user_service.go

@@ -9,6 +9,7 @@ import (
 	"path"
 	"strings"
 	"time"
+	"unicode/utf8"
 
 	"github.com/prabhupadasays/spsays-bff/internal/model"
 	"github.com/prabhupadasays/spsays-bff/internal/repository"
@@ -43,6 +44,7 @@ type UpdateProfileInput struct {
 	Name                  *string
 	AvatarURL             *string
 	Handle                *string
+	Bio                   *string
 	Country               *string
 	Sampradaya            *string
 	Gender                *string
@@ -53,6 +55,10 @@ type UpdateProfileInput struct {
 	PeakActiveTime        *string
 }
 
+// MaxBioRunes caps the profile bio. Counted in runes so the limit means the
+// same thing in every script. Keep in sync with the editor's counter.
+const MaxBioRunes = 200
+
 // validGenders is the accepted set; "" clears the field.
 var validGenders = map[string]bool{"male": true, "female": true, "other": true}
 
@@ -87,6 +93,17 @@ func (s *UserService) UpdateProfile(ctx context.Context, id string, in UpdatePro
 		}
 		p.Handle = &clean
 	}
+	if in.Bio != nil {
+		// "" clears. Counted in runes, not bytes, so a devotee writing in
+		// Devanāgarī gets the same 200 characters as a Latin-script writer
+		// (len() would cut them off after ~66). Collapse the CRLF that
+		// Windows browsers submit so the count matches what the editor shows.
+		b := strings.TrimSpace(strings.ReplaceAll(*in.Bio, "\r\n", "\n"))
+		if utf8.RuneCountInString(b) > MaxBioRunes {
+			return nil, fmt.Errorf("bio too long (max %d characters)", MaxBioRunes)
+		}
+		p.Bio = &b
+	}
 	if in.Country != nil {
 		// "" clears; otherwise a 2-letter ISO-3166-1 alpha-2 code (the
 		// frontend dropdown only ever sends valid codes).

migrations/0047_add_users_bio.down.sql

@@ -0,0 +1,2 @@
+ALTER TABLE users
+    DROP COLUMN IF EXISTS bio;

migrations/0047_add_users_bio.up.sql

@@ -0,0 +1,13 @@
+-- Profile bio — a short self-introduction shown on the profile header.
+--
+-- Plain text (never HTML): `@handle` mentions are stored verbatim and linkified
+-- at render time by the frontend, so nothing user-supplied is ever trusted as
+-- markup. NULL means "no bio set", which is distinct from an empty string —
+-- the update path clears to NULL rather than storing ''.
+--
+-- The 200-character cap is enforced in the service layer (by rune count, so a
+-- devotee writing in Devanāgarī gets the same 200 characters a Latin-script
+-- writer does). No CHECK constraint here: the column stays permissive so a
+-- future cap change doesn't need a migration on a large table.
+ALTER TABLE users
+    ADD COLUMN IF NOT EXISTS bio TEXT;