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| 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 | 1x 1x 3x 1x 1x 2x 2x 2x 1x 1x 3x 3x 3x 2x 2x 1x 1x 2x 2x 2x 1x 1x 1x 1x | import { MyModels } from "../models";
import { PhotoAttributes } from "../models/Photos";
import Photo, { PostPhoto } from "../types/Photo";
import { InvalidKeyError, NotFoundError } from "../types/errors";
import { ForeignKeyConstraintError } from "sequelize";
const modelToPhoto = ({ photoID, url, dateAdded }: PhotoAttributes): Photo => ({
photoID,
url,
dateAdded,
});
export default function({ Photos, DumpsterPositions, sequelize }: MyModels) {
return {
/**
* Get photos for a given dumpster
*
* @param dumpsterID
*/
getAll: (dumpsterID: number) =>
sequelize.transaction(async t => {
const dumpster = await DumpsterPositions.findOne({
where: { dumpsterID },
transaction: t,
});
if (!dumpster) throw new NotFoundError("No such dumpster");
return await Photos.findAll({
where: { dumpsterID },
limit: 100,
order: [["dateAdded", "DESC"]],
transaction: t,
}).then(ps => ps.map(modelToPhoto));
}),
/**
* Get most recent photo for a given dumpster
*
* @param dumpsterID
*/
getOne: (dumpsterID: number) =>
sequelize.transaction(async t => {
const dumpster = await DumpsterPositions.findOne({
where: { dumpsterID },
transaction: t,
});
if (!dumpster) throw new NotFoundError("No such dumpster");
const photo = await Photos.findOne({
where: { dumpsterID },
order: [["dateAdded", "DESC"]],
transaction: t,
});
if (!photo)
throw new NotFoundError("No photos for this dumpster");
return photo;
}),
/**
* Add a photo to a dumpster
*
* @param dumpsterID
* @param photo
*/
addOne: (dumpsterID: number, photo: PostPhoto) =>
sequelize.transaction(async t => {
try {
await Photos.create(
{
dumpsterID,
...photo,
},
{ transaction: t },
);
} catch (e) {
// Throw a more precise error if possible
Eif (e instanceof ForeignKeyConstraintError) {
Eif (
e.message.includes("REFERENCES `DumpsterPositions`")
)
throw new NotFoundError("No such dumpster");
else throw new InvalidKeyError("No such user ID");
}
throw e;
}
// Get dateAdded back
return await Photos.findOne({
where: {
dumpsterID,
...photo,
},
order: [["dateAdded", "DESC"]],
transaction: t,
});
}),
};
}
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