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| 1 | +// SPDX-License-Identifier: AGPL-3.0-or-later |
| 2 | + |
| 3 | +// Package search wires the S28 web search surface. The full results |
| 4 | +// page lives at GET /search; the htmx quick dropdown lives at GET |
| 5 | +// /search/quick. |
| 6 | +package search |
| 7 | + |
| 8 | +import ( |
| 9 | + "errors" |
| 10 | + "log/slog" |
| 11 | + "net/http" |
| 12 | + |
| 13 | + "github.com/go-chi/chi/v5" |
| 14 | + "github.com/jackc/pgx/v5/pgxpool" |
| 15 | + |
| 16 | + "github.com/tenseleyFlow/shithub/internal/auth/policy" |
| 17 | + srch "github.com/tenseleyFlow/shithub/internal/search" |
| 18 | + "github.com/tenseleyFlow/shithub/internal/web/middleware" |
| 19 | + "github.com/tenseleyFlow/shithub/internal/web/render" |
| 20 | +) |
| 21 | + |
| 22 | +// Deps wires the handler set. |
| 23 | +type Deps struct { |
| 24 | + Logger *slog.Logger |
| 25 | + Render *render.Renderer |
| 26 | + Pool *pgxpool.Pool |
| 27 | +} |
| 28 | + |
| 29 | +// Handlers is the registered handler set. Construct via New. |
| 30 | +type Handlers struct { |
| 31 | + d Deps |
| 32 | +} |
| 33 | + |
| 34 | +// New constructs the handler set, validating Deps. |
| 35 | +func New(d Deps) (*Handlers, error) { |
| 36 | + if d.Render == nil { |
| 37 | + return nil, errors.New("search: nil Render") |
| 38 | + } |
| 39 | + if d.Pool == nil { |
| 40 | + return nil, errors.New("search: nil Pool") |
| 41 | + } |
| 42 | + return &Handlers{d: d}, nil |
| 43 | +} |
| 44 | + |
| 45 | +// Mount registers /search and /search/quick. |
| 46 | +func (h *Handlers) Mount(r chi.Router) { |
| 47 | + r.Get("/search", h.results) |
| 48 | + r.Get("/search/quick", h.quick) |
| 49 | +} |
| 50 | + |
| 51 | +func (h *Handlers) deps() srch.Deps { |
| 52 | + return srch.Deps{Pool: h.d.Pool, Logger: h.d.Logger} |
| 53 | +} |
| 54 | + |
| 55 | +func (h *Handlers) actor(r *http.Request) policy.Actor { |
| 56 | + viewer := middleware.CurrentUserFromContext(r.Context()) |
| 57 | + if viewer.IsAnonymous() { |
| 58 | + return policy.AnonymousActor() |
| 59 | + } |
| 60 | + return policy.UserActor(viewer.ID, viewer.Username, viewer.IsSuspended, false) |
| 61 | +} |
| 62 | + |
| 63 | +// results renders the full /search page with type tabs. |
| 64 | +func (h *Handlers) results(w http.ResponseWriter, r *http.Request) { |
| 65 | + rawQ := r.URL.Query().Get("q") |
| 66 | + tab := r.URL.Query().Get("type") |
| 67 | + if tab == "" { |
| 68 | + tab = "repos" |
| 69 | + } |
| 70 | + page := pageFromRequest(r) |
| 71 | + |
| 72 | + parsed := srch.ParseQuery(rawQ) |
| 73 | + actor := h.actor(r) |
| 74 | + deps := h.deps() |
| 75 | + |
| 76 | + data := map[string]any{ |
| 77 | + "Title": "Search", |
| 78 | + "Query": rawQ, |
| 79 | + "Tab": tab, |
| 80 | + "Page": page, |
| 81 | + "Parsed": parsed, |
| 82 | + "PageSize": srch.PageSize, |
| 83 | + } |
| 84 | + |
| 85 | + if !parsed.HasContent() { |
| 86 | + data["EmptyQuery"] = true |
| 87 | + _ = h.d.Render.RenderPage(w, r, "search/results", data) |
| 88 | + return |
| 89 | + } |
| 90 | + |
| 91 | + offset := (page - 1) * srch.PageSize |
| 92 | + switch tab { |
| 93 | + case "repos": |
| 94 | + rows, total, err := srch.SearchRepos(r.Context(), deps, actor, parsed, srch.PageSize, offset) |
| 95 | + if err != nil && !errors.Is(err, srch.ErrEmptyQuery) { |
| 96 | + h.d.Logger.ErrorContext(r.Context(), "search repos", "error", err) |
| 97 | + } |
| 98 | + data["Repos"] = rows |
| 99 | + data["Total"] = total |
| 100 | + data["HasNext"] = int64(page*srch.PageSize) < total |
| 101 | + case "issues": |
| 102 | + rows, total, err := srch.SearchIssues(r.Context(), deps, actor, parsed, "issue", srch.PageSize, offset) |
| 103 | + if err != nil && !errors.Is(err, srch.ErrEmptyQuery) { |
| 104 | + h.d.Logger.ErrorContext(r.Context(), "search issues", "error", err) |
| 105 | + } |
| 106 | + data["Issues"] = rows |
| 107 | + data["Total"] = total |
| 108 | + data["HasNext"] = int64(page*srch.PageSize) < total |
| 109 | + case "users": |
| 110 | + rows, total, err := srch.SearchUsers(r.Context(), deps, parsed, srch.PageSize, offset) |
| 111 | + if err != nil && !errors.Is(err, srch.ErrEmptyQuery) { |
| 112 | + h.d.Logger.ErrorContext(r.Context(), "search users", "error", err) |
| 113 | + } |
| 114 | + data["Users"] = rows |
| 115 | + data["Total"] = total |
| 116 | + data["HasNext"] = int64(page*srch.PageSize) < total |
| 117 | + case "code": |
| 118 | + rows, total, err := srch.SearchCode(r.Context(), deps, actor, parsed, srch.PageSize, offset) |
| 119 | + if err != nil && !errors.Is(err, srch.ErrEmptyQuery) { |
| 120 | + h.d.Logger.ErrorContext(r.Context(), "search code", "error", err) |
| 121 | + } |
| 122 | + data["Code"] = rows |
| 123 | + data["Total"] = total |
| 124 | + data["HasNext"] = int64(page*srch.PageSize) < total |
| 125 | + default: |
| 126 | + // Unknown tab → render the page with the empty-state shape |
| 127 | + // rather than 400 (a typo in the URL shouldn't be a hard |
| 128 | + // error). |
| 129 | + data["EmptyQuery"] = true |
| 130 | + } |
| 131 | + data["HasPrev"] = page > 1 |
| 132 | + |
| 133 | + if err := h.d.Render.RenderPage(w, r, "search/results", data); err != nil { |
| 134 | + h.d.Logger.ErrorContext(r.Context(), "search render", "error", err) |
| 135 | + } |
| 136 | +} |
| 137 | + |
| 138 | +// quick is the htmx dropdown endpoint. Returns one fragment with |
| 139 | +// the top N results across all four types stacked vertically. |
| 140 | +func (h *Handlers) quick(w http.ResponseWriter, r *http.Request) { |
| 141 | + rawQ := r.URL.Query().Get("q") |
| 142 | + parsed := srch.ParseQuery(rawQ) |
| 143 | + if !parsed.HasContent() { |
| 144 | + w.WriteHeader(http.StatusNoContent) |
| 145 | + return |
| 146 | + } |
| 147 | + actor := h.actor(r) |
| 148 | + deps := h.deps() |
| 149 | + |
| 150 | + repos, _, _ := srch.SearchRepos(r.Context(), deps, actor, parsed, srch.QuickResultsLimit, 0) |
| 151 | + issues, _, _ := srch.SearchIssues(r.Context(), deps, actor, parsed, "", srch.QuickResultsLimit, 0) |
| 152 | + users, _, _ := srch.SearchUsers(r.Context(), deps, parsed, srch.QuickResultsLimit, 0) |
| 153 | + |
| 154 | + data := map[string]any{ |
| 155 | + "Query": rawQ, |
| 156 | + "Repos": repos, |
| 157 | + "Issues": issues, |
| 158 | + "Users": users, |
| 159 | + } |
| 160 | + if err := h.d.Render.RenderPage(w, r, "search/_quick_dropdown", data); err != nil { |
| 161 | + h.d.Logger.ErrorContext(r.Context(), "quick render", "error", err) |
| 162 | + } |
| 163 | +} |
| 164 | + |
| 165 | +// pageFromRequest pulls ?page=N, defaulting to 1 on missing/invalid. |
| 166 | +func pageFromRequest(r *http.Request) int { |
| 167 | + p := r.URL.Query().Get("page") |
| 168 | + if p == "" { |
| 169 | + return 1 |
| 170 | + } |
| 171 | + n := 0 |
| 172 | + for _, c := range p { |
| 173 | + if c < '0' || c > '9' { |
| 174 | + return 1 |
| 175 | + } |
| 176 | + n = n*10 + int(c-'0') |
| 177 | + if n > 10000 { |
| 178 | + return 1 |
| 179 | + } |
| 180 | + } |
| 181 | + if n < 1 { |
| 182 | + return 1 |
| 183 | + } |
| 184 | + return n |
| 185 | +} |