market

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213// What the marketplace page does with a click: open a scan chat for an
// install, install directly, update, sign in, fix a bug report. Every chat
// opens in the Plugins workspace with the agent, model and effort chosen
// next to the button, which start at the last combination used there.
import * as Data from "effect/Data";
import * as Effect from "effect/Effect";
import * as z from "zod";
import { App, Host, Notify, Storage } from "convergence/effect";
import type { Chat } from "convergence";
import type { AgentChoice, ChoiceInput } from "./logic.ts";
import {
  choiceOfChat,
  fixPrompt,
  optionChanges,
  resolveChoice,
  runsAnything,
  savedChoiceSchema,
  scanPrompt,
  updatePrompt,
} from "./logic.ts";
import type { Listing } from "./remote.ts";

export const CHOICE_KEY = "agentChoice";
export const DIRECT_KEY = "directInstall";

// A choice the menus cannot start from: no agent is enabled to run the chat.
export class FlowFailed extends Data.TaggedError("FlowFailed")<{ readonly message: string }> {}

// The Plugins workspace, cached per load like the JavaScript version's closure.
let workspaceCache: { readonly workspaceId: string; readonly path: string } | null = null;

export const pluginsWorkspace = Effect.fn("Market.pluginsWorkspace")(function* () {
  if (!workspaceCache) workspaceCache = yield* (yield* Host).call("host/market.workspace", {});
  return workspaceCache;
});

export const agents = Effect.fn("Market.agents")(function* () {
  return (yield* (yield* Host).call("host/agents.list", {})).agents;
});

export const agentOptions = Effect.fn("Market.agentOptions")(function* (agentId: string | null) {
  if (!agentId) return [];
  const { workspaceId } = yield* pluginsWorkspace();
  return (yield* (yield* Host).call("host/agents.options", { agentId, workspaceId })).options;
});

// The last combination used in the Plugins workspace: the one this page
// saved, else the newest chat there.
export const savedChoice = Effect.fn("Market.savedChoice")(function* () {
  const storage = yield* Storage;
  const saved = yield* storage.get(CHOICE_KEY, savedChoiceSchema).pipe(
    // A choice an older build wrote may not parse; fall back to the newest chat.
    Effect.catchTag("ParseFailed", () => Effect.succeed(undefined)),
  );
  if (saved?.agentId) return saved;
  const host = yield* Host;
  const { workspaceId } = yield* pluginsWorkspace();
  const { chats } = yield* host.call("host/chats.list", { workspaceId });
  const newest = chats
    .filter((chat) => !chat.archived)
    .sort((a, b) => String(b.updatedAt).localeCompare(String(a.updatedAt)))[0];
  if (!newest) return null;
  return choiceOfChat(newest, yield* agentOptions(newest.agentId));
});

// The choice the menus start with: always one that exists now.
export const defaultChoice = Effect.fn("Market.defaultChoice")(function* () {
  const [list, saved] = yield* Effect.all([agents(), savedChoice()], { concurrency: "unbounded" });
  const agentId = list.some((agent) => agent.id === saved?.agentId) ? saved?.agentId : list[0]?.id;
  const options = yield* agentOptions(agentId ?? null);
  return { agents: list, options, choice: resolveChoice(saved, list, options) };
});

export const saveChoice = Effect.fn("Market.saveChoice")(function* (choice: AgentChoice) {
  yield* (yield* Storage).set(CHOICE_KEY, choice);
});

export interface OpenChat {
  readonly title: string;
  readonly prompt: string | null;
  readonly choice: AgentChoice;
  readonly beforeSend?: (chat: Chat) => Effect.Effect<void, unknown, Host>;
}

// A chat in the Plugins workspace with the chosen agent, model and effort;
// with a prompt it starts at once. The user sees it. `beforeSend` runs
// once the chat exists and before its first prompt.
export const openChat = Effect.fn("Market.openChat")(function* (args: OpenChat) {
  const { title, prompt, choice, beforeSend } = args;
  if (!choice.agentId) return yield* new FlowFailed({ message: "Enable an agent in Settings > Agents first." });
  const host = yield* Host;
  const app = yield* App;
  const { workspaceId } = yield* pluginsWorkspace();
  const chat = yield* host.call("host/chats.create", { workspaceId, agentId: choice.agentId, title });
  const { options } = yield* host.call("host/chats.options", { chatId: chat.id });
  for (const [optionId, value] of optionChanges(options, choice)) {
    yield* host.call("host/chats.set_option", { chatId: chat.id, optionId, value });
  }
  yield* saveChoice(choice);
  if (beforeSend) yield* beforeSend(chat);
  if (prompt) yield* host.call("host/chats.send", { chatId: chat.id, text: prompt });
  yield* app.select(chat.id, workspaceId);
  return chat;
});

// Install (the default): a scan chat. The agent reads the plugin
// remotely, installs it only when it is safe, and asks for the card.
export const installWithScan = Effect.fn("Market.installWithScan")(function* (
  listing: Listing,
  version: string | null,
  choice: AgentChoice,
) {
  return yield* openChat({
    title: `Install ${listing.id}`,
    prompt: scanPrompt({ id: listing.id, version, listing, installed: listing.installed ?? null }),
    choice,
  });
});

export const directInstallOn = Effect.fn("Market.directInstallOn")(function* () {
  const on = yield* (yield* Storage).get(DIRECT_KEY, z.boolean()).pipe(
    // Anything but a stored boolean means off, as before.
    Effect.catchTag("ParseFailed", () => Effect.succeed(undefined)),
  );
  return on === true;
});

export const setDirectInstall = Effect.fn("Market.setDirectInstall")(function* (on: boolean) {
  yield* (yield* Storage).set(DIRECT_KEY, on);
});

const installPermissions = (listing: Listing, version: string | null): unknown =>
  listing.versions?.find((v) => v.version === version)?.permissions ?? listing.permissions;

// Install directly: no scan. The download lands not enabled, and the
// enable card waits in a small chat of the Plugins workspace. Never for
// a plugin that can run any program.
export const installDirect = Effect.fn("Market.installDirect")(function* (
  listing: Listing,
  version: string | null,
  choice: AgentChoice,
) {
  if (runsAnything(installPermissions(listing, version)))
    return yield* new FlowFailed({
      message: `${listing.id} can run any program, so it is installed only after a scan.`,
    });
  const chat = yield* openChat({ title: `Install ${listing.id}`, prompt: null, choice });
  const installed = yield* (yield* Host).call("host/market.install", {
    id: listing.id,
    version: version ?? undefined,
    chatId: chat.id,
  });
  return { chat, installed };
});

// The Install button: directly when the setting is on and the plugin
// cannot run any program, else through a scan chat.
export const install = Effect.fn("Market.install")(function* (
  listing: Listing,
  version: string | null,
  choice: AgentChoice,
) {
  if ((yield* directInstallOn()) && !runsAnything(installPermissions(listing, version))) {
    return { direct: true as const, ...(yield* installDirect(listing, version, choice)) };
  }
  return { direct: false as const, chat: yield* installWithScan(listing, version, choice) };
});

// The Update button of one plugin: an unmodified official plugin is
// replaced at once; anything else opens a chat with the difference.
export const update = Effect.fn("Market.update")(function* (
  item: { readonly folder: string; readonly id: string },
  choice: AgentChoice,
) {
  const host = yield* Host;
  const answer = yield* host.call("host/market.update", { name: item.folder });
  if ("updated" in answer && answer.updated) {
    yield* (yield* Notify).info(`${item.folder} is updated to ${answer.to}.`);
    return { updated: true as const, answer };
  }
  if (!("needsAgent" in answer && answer.needsAgent))
    return yield* new FlowFailed({ message: `Could not update ${item.folder}: the host gave no update.` });
  const chat = yield* openChat({ title: `Update ${answer.id ?? item.id}`, prompt: updatePrompt(answer), choice });
  return { updated: false as const, chat, answer };
});

// "Try to fix it with an agent" (§14.2): a chat in the Plugins workspace
// with the report's text, linked to the report before its first turn, so
// a turn that changes an official plugin offers "Attach fix to report #N".
export const fixWithAgent = Effect.fn("Market.fixWithAgent")(function* (
  report: {
    readonly id: string;
    readonly number: number | string;
    readonly text: string;
    readonly plugins?: readonly {
      readonly id: string;
      readonly version?: string;
      readonly folder?: string;
      readonly official?: boolean;
    }[];
  },
  choice: AgentChoice,
) {
  return yield* openChat({
    title: `Fix bug report #${report.number}`,
    prompt: fixPrompt(report),
    choice,
    beforeSend: (chat) =>
      Effect.gen(function* () {
        yield* (yield* Host).call("host/market.link_fix_chat", { chatId: chat.id, report: report.id });
      }).pipe(Effect.asVoid),
  });
});