feat: implement recipients autosuggestions (#1923)

packages/lib/server-only/recipient/get-recipient-suggestions.ts

@@ -0,0 +1,108 @@
+import { Prisma } from '@prisma/client';
+
+import { buildTeamWhereQuery } from '@documenso/lib/utils/teams';
+import { prisma } from '@documenso/prisma';
+
+export type GetRecipientSuggestionsOptions = {
+  userId: number;
+  teamId?: number;
+  query: string;
+};
+
+export const getRecipientSuggestions = async ({
+  userId,
+  teamId,
+  query,
+}: GetRecipientSuggestionsOptions) => {
+  const trimmedQuery = query.trim();
+
+  const nameEmailFilter = trimmedQuery
+    ? {
+        OR: [
+          {
+            name: {
+              contains: trimmedQuery,
+              mode: Prisma.QueryMode.insensitive,
+            },
+          },
+          {
+            email: {
+              contains: trimmedQuery,
+              mode: Prisma.QueryMode.insensitive,
+            },
+          },
+        ],
+      }
+    : {};
+
+  const recipients = await prisma.recipient.findMany({
+    where: {
+      document: {
+        team: buildTeamWhereQuery({ teamId, userId }),
+      },
+      ...nameEmailFilter,
+    },
+    select: {
+      name: true,
+      email: true,
+      document: {
+        select: {
+          createdAt: true,
+        },
+      },
+    },
+    distinct: ['email'],
+    orderBy: {
+      document: {
+        createdAt: 'desc',
+      },
+    },
+    take: 5,
+  });
+
+  if (teamId) {
+    const teamMembers = await prisma.organisationMember.findMany({
+      where: {
+        user: {
+          ...nameEmailFilter,
+          NOT: { id: userId },
+        },
+        organisationGroupMembers: {
+          some: {
+            group: {
+              teamGroups: {
+                some: { teamId },
+              },
+            },
+          },
+        },
+      },
+      include: {
+        user: {
+          select: {
+            email: true,
+            name: true,
+          },
+        },
+      },
+      take: 5,
+    });
+
+    const uniqueTeamMember = teamMembers.find(
+      (member) => !recipients.some((r) => r.email === member.user.email),
+    );
+
+    if (uniqueTeamMember) {
+      const teamMemberSuggestion = {
+        email: uniqueTeamMember.user.email,
+        name: uniqueTeamMember.user.name,
+      };
+
+      const allSuggestions = [...recipients.slice(0, 4), teamMemberSuggestion];
+
+      return allSuggestions;
+    }
+  }
+
+  return recipients;
+};