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@ -255,6 +255,47 @@ export default {
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if (this.meta.columns.filter(c => !this.column || this.column.id !== c.id).every(c => c.title !== pt.name)) { |
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arr.push(`Column '${pt.name}' is not available`) |
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} |
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// check circular reference |
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// e.g. formula1 -> formula2 -> formula1 |
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const regex = /cl_\w{14}/g |
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const formulaPaths = this.meta.columns.filter(c => c.uidt === UITypes.Formula).map(c => ({ |
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// e.g. formula1 -> [formula2, formula3] |
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// FIXME |
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[c.id]: (c.colOptions.formula.match(regex) || []).filter(col => (this.meta.columns.filter(c => (c.id === col && c.uidt === UITypes.Formula)))) |
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})) |
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if (formulaPaths.length > 0) { |
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const adj = new Map(); const inDegrees = new Map() |
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for (const [_, v] of Object.entries(formulaPaths)) { |
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const src = Object.keys(v)[0]; const neigbhours = v[src] |
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for (const neigbhour of neigbhours) { |
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adj.set(src, (adj.get(src) || new Set()).add(neigbhour)) |
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inDegrees.set(neigbhour, (inDegrees.get(src) || 0) + 1) |
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} |
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} |
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const queue = []; const order = [] |
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inDegrees.forEach((inDegree, col) => { |
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if (inDegree === 0) { |
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queue.push(col) |
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} |
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}) |
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while (queue.length !== 0) { |
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const src = queue.shift(); const neigbhours = adj.get(src) |
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if (neigbhours.length > 0) { |
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order.push(src) |
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} |
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neigbhours.forEach((neigbhour) => { |
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inDegrees.set(neigbhour, inDegrees.get(neigbhour) - 1) |
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if (inDegrees.get(neigbhour) === 0) { |
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queue.push(neigbhour) |
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} |
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}) |
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} |
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// FIXME |
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if (formulaPaths.length !== order.length) { |
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arr.push('Can’t save field because it causes a circular reference') |
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} |
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} |
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} else if (pt.type === 'BinaryExpression') { |
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if (!this.availableBinOps.includes(pt.operator)) { |
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arr.push(`'${pt.operator}' operation is not available`) |
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