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import {prisma} from './db'
import {logActivity} from './songs'
const Clock = z
.string()
.trim()
.regex(/^([01]?\d|2[0-3]):[0-5]\d$/)
const Minutes = z.number().int().min(1).max(600).nullable().optional()
/** One row of the running order: a song, a set header or a break. */
const Row = z.discriminatedUnion('kind', [
z.object({
kind: z.literal('SONG'),
songId: z.string().min(1),
note: z.string().trim().max(300).nullable().optional(),
key: z.string().trim().max(8).nullable().optional(),
}),
z.object({
kind: z.literal('SET'),
label: z.string().trim().min(1).max(40),
minutes: Minutes,
startTime: Clock.nullable().optional(),
}),
z.object({kind: z.literal('BREAK'), minutes: Minutes}),
])
// Rows sent before sets existed have no kind: they're songs
const Rows = z.preprocess(
(v) =>
Array.isArray(v)
? v.map((r) =>
r && typeof r === 'object' && !('kind' in r)
? {...r, kind: 'SONG'}
: r,
)
: v,
z.array(Row).max(250),
)
export const SetlistBody = z.object({
name: z.string().trim().min(1).max(200),
gigDate: z
.string()
.trim()
.transform((v) => v || null)
.nullable()
.optional()
.refine((v) => v == null || !Number.isNaN(Date.parse(v)), 'Invalid date'),
venue: z.string().trim().max(200).nullable().optional(),
// When the first set starts: "20:00"
startTime: Clock.nullable().optional(),
notes: z.string().max(5000).nullable().optional(),
items: Rows.optional(),
})
export type SetlistInput = z.infer<typeof SetlistBody>
export async function getSetlist(id: string, bandId: string) {
return prisma.setlist.findFirst({
where: {id, bandId},
include: {
items: {
orderBy: {position: 'asc'},
include: {
song: {
include: {
chartVersions: {
orderBy: {number: 'desc'},
take: 1,
include: {
author: {
select: {name: true, displayName: true, email: true},
},
},
},
},
},
},
},
updatedBy: {select: {name: true, displayName: true, email: true}},
},
})
}
/** "added X, removed Y, reordered" — for the activity log. */
export function describeSetChanges(
before: {songId: string; title: string}[],
after: {songId: string; title: string}[],
) {
const b = new Set(before.map((x) => x.songId))
const a = new Set(after.map((x) => x.songId))
const added = after.filter((x) => !b.has(x.songId)).map((x) => x.title)
const removed = before.filter((x) => !a.has(x.songId)).map((x) => x.title)
const keptBefore = before.filter((x) => a.has(x.songId)).map((x) => x.songId)
const keptAfter = after.filter((x) => b.has(x.songId)).map((x) => x.songId)
const parts: string[] = []
if (added.length)
parts.push(
added.length > 3
? `added ${added.length} songs`
: `added ${added.join(', ')}`,
)
if (removed.length) parts.push(`removed ${removed.join(', ')}`)
if (keptBefore.join() !== keptAfter.join()) parts.push('changed the order')
return parts
}
export async function saveSetlist(
bandId: string,
id: string,
userId: string,
input: SetlistInput,
) {
return prisma.$transaction(async (tx) => {
const before = await tx.setlist.findFirst({
where: {id, bandId},
include: {
items: {
orderBy: {position: 'asc'},
include: {song: {select: {title: true}}},
},
},
})
if (!before) return null
const {items, gigDate, ...fields} = input
await tx.setlist.update({
where: {id},
data: {
...fields,
...(gigDate !== undefined
? {gigDate: gigDate ? new Date(gigDate) : null}
: {}),
updatedById: userId,
},
})
let changes: string[] = []
if (items) {
const songIds = items.flatMap((i) =>
i.kind === 'SONG' ? [i.songId] : [],
)
const songs = await tx.song.findMany({
where: {bandId, id: {in: songIds}},
select: {id: true, title: true},
})
const title = new Map(songs.map((s) => [s.id, s.title]))
// Songs from another band (or deleted since) are dropped
const valid = items.filter(
(i) => i.kind !== 'SONG' || title.has(i.songId),
)
await tx.setlistItem.deleteMany({where: {setlistId: id}})
await tx.setlistItem.createMany({
data: valid.map((i, position) =>
i.kind === 'SONG'
? {
setlistId: id,
kind: i.kind,
songId: i.songId,
position,
note: i.note || null,
key: i.key || null,
}
: {
setlistId: id,
kind: i.kind,
position,
label: i.kind === 'SET' ? i.label : null,
minutes: i.minutes ?? null,
startTime: i.kind === 'SET' ? i.startTime || null : null,
},
),
})
const songRows = (rows: {songId: string | null}[]) =>
rows.flatMap((r) => (r.songId ? [r.songId] : []))
changes = describeSetChanges(
before.items.flatMap((i) =>
i.songId && i.song ? [{songId: i.songId, title: i.song.title}] : [],
),
songRows(
valid.map((i) => ({songId: i.kind === 'SONG' ? i.songId : null})),
).map((songId) => ({songId, title: title.get(songId)!})),
)
const shape = (
rows: {
kind: string
label?: string | null
minutes?: number | null
startTime?: string | null
songId?: string | null
note?: string | null
key?: string | null
}[],
) =>
rows
.map((r) =>
r.kind === 'SONG'
? `${r.songId}|${r.note || ''}|${r.key || ''}`
: `${r.kind}|${r.label ?? ''}|${r.minutes ?? ''}|${r.startTime ?? ''}`,
)
.join()
const setShape = (
rows: {
kind: string
label?: string | null
minutes?: number | null
startTime?: string | null
}[],
) =>
rows
.filter((r) => r.kind !== 'SONG')
.map(
(r) =>
`${r.kind}|${r.label ?? ''}|${r.minutes ?? ''}|${r.startTime ?? ''}`,
)
.join()
if (setShape(before.items) !== setShape(valid))
changes.push('changed the sets and breaks')
else if (!changes.length && shape(before.items) !== shape(valid))
changes.push('changed song notes or keys')
}
if (fields.name && fields.name !== before.name)
changes.unshift(`renamed it from ${before.name}`)
if (
changes.length ||
gigDate !== undefined ||
fields.venue !== undefined ||
fields.startTime !== undefined
)
await logActivity(tx, {
bandId,
userId,
action: 'setlist.update',
targetType: 'setlist',
targetId: id,
summary: `updated the setlist ${fields.name ?? before.name}${changes.length ? `: ${changes.join('; ')}` : ''}`,
})
return true
})
}
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