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fb4d8fe | 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 | import type { MsgContext } from "./templating.js";
function formatMediaAttachedLine(params: {
path: string;
url?: string;
type?: string;
index?: number;
total?: number;
}): string {
const prefix =
typeof params.index === "number" && typeof params.total === "number"
? `[media attached ${params.index}/${params.total}: `
: "[media attached: ";
const typePart = params.type?.trim() ? ` (${params.type.trim()})` : "";
const urlRaw = params.url?.trim();
const urlPart = urlRaw ? ` | ${urlRaw}` : "";
return `${prefix}${params.path}${typePart}${urlPart}]`;
}
export function buildInboundMediaNote(ctx: MsgContext): string | undefined {
// Attachment indices follow MediaPaths/MediaUrls ordering as supplied by the channel.
const suppressed = new Set<number>();
if (Array.isArray(ctx.MediaUnderstanding)) {
for (const output of ctx.MediaUnderstanding) {
suppressed.add(output.attachmentIndex);
}
}
if (Array.isArray(ctx.MediaUnderstandingDecisions)) {
for (const decision of ctx.MediaUnderstandingDecisions) {
if (decision.outcome !== "success") {
continue;
}
for (const attachment of decision.attachments) {
if (attachment.chosen?.outcome === "success") {
suppressed.add(attachment.attachmentIndex);
}
}
}
}
const pathsFromArray = Array.isArray(ctx.MediaPaths) ? ctx.MediaPaths : undefined;
const paths =
pathsFromArray && pathsFromArray.length > 0
? pathsFromArray
: ctx.MediaPath?.trim()
? [ctx.MediaPath.trim()]
: [];
if (paths.length === 0) {
return undefined;
}
const urls =
Array.isArray(ctx.MediaUrls) && ctx.MediaUrls.length === paths.length
? ctx.MediaUrls
: undefined;
const types =
Array.isArray(ctx.MediaTypes) && ctx.MediaTypes.length === paths.length
? ctx.MediaTypes
: undefined;
const entries = paths
.map((entry, index) => ({
path: entry ?? "",
type: types?.[index] ?? ctx.MediaType,
url: urls?.[index] ?? ctx.MediaUrl,
index,
}))
.filter((entry) => !suppressed.has(entry.index));
if (entries.length === 0) {
return undefined;
}
if (entries.length === 1) {
return formatMediaAttachedLine({
path: entries[0]?.path ?? "",
type: entries[0]?.type,
url: entries[0]?.url,
});
}
const count = entries.length;
const lines: string[] = [`[media attached: ${count} files]`];
for (const [idx, entry] of entries.entries()) {
lines.push(
formatMediaAttachedLine({
path: entry.path,
index: idx + 1,
total: count,
type: entry.type,
url: entry.url,
}),
);
}
return lines.join("\n");
}
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