ppfun/pixelplanet
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add validation of x_y u_v canvas areas for modtools

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change username length requirements to >=2
This commit is contained in:
HF 2022-03-28 17:34:03 +02:00
parent 747981ad5a
commit 9122f3e0a0
1 changed files with 54 additions and 1 deletions
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55
src/utils/validation.js
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@ -28,7 +28,7 @@ export function validateEMail(email) {
export function validateName(name) {
if (!name) return t`Name can't be empty.`;
if (name.length < 4) return t`Name must be at least 4 characters long`;
if (name.length < 2) return t`Name must be at least 2 characters long`;
if (name.length > 26) return t`Name must be shorter than 26 characters`;
if (name.indexOf('@') !== -1
|| name.indexOf('/') !== -1
@ -61,3 +61,56 @@ export function validatePassword(password) {
}
return false;
}
/*
* validate an area given by top-left and bottom-right corner coords
* @param ulcoor coords in x_y format, top-left corner
* @param brcoor coords in x_y format, bottom-right corner
* @param canvasSize dimension of canvas, integer
* @return [x, y, u, v] Corner coords if success, error string is failure
*/
export function validateCoorRange(ulcoor, brcoor, canvasSize) {
if (!ulcoor || !brcoor) {
return 'Not all coordinates defined';
}
let splitCoords = ulcoor.trim().split('_');
if (splitCoords.length !== 2) {
return 'Invalid Coordinate Format for top-left corner';
}
const [x, y] = splitCoords.map((z) => Math.floor(Number(z)));
splitCoords = brcoor.trim().split('_');
if (splitCoords.length !== 2) {
return 'Invalid Coordinate Format for bottom-right corner';
}
const [u, v] = splitCoords.map((z) => Math.floor(Number(z)));
let error = null;
if (Number.isNaN(x)) {
error = 'x of top-left corner is not a valid number';
} else if (Number.isNaN(y)) {
error = 'y of top-left corner is not a valid number';
} else if (Number.isNaN(u)) {
error = 'x of bottom-right corner is not a valid number';
} else if (Number.isNaN(v)) {
error = 'y of bottom-right corner is not a valid number';
} else if (u < x || v < y) {
error = 'Corner coordinates are alligned wrong';
}
if (error !== null) {
return error;
}
const canvasMaxXY = canvasSize / 2;
const canvasMinXY = -canvasMaxXY;
if (x < canvasMinXY || y < canvasMinXY
|| x >= canvasMaxXY || y >= canvasMaxXY) {
return 'Coordinates of top-left corner are outside of canvas';
}
if (u < canvasMinXY || v < canvasMinXY
|| u >= canvasMaxXY || v >= canvasMaxXY) {
return 'Coordinates of bottom-right corner are outside of canvas';
}
return [x, y, u, v];
}