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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 | import { ref, computed, watch, type Ref } from 'vue' import { useWorkflowStore } from '@/stores/workflowStore' import { useExecutionStore } from '@/stores/executionStore' import { getNodeOutputSchema } from '@/utils/schemaGenerator' export interface VariableField { name: string type: string path: string value?: any children?: VariableField[] } export interface VariableNode { id: string type: string label: string fields: VariableField[] } export interface AvailableVariables { trigger: VariableField[] nodes: VariableNode[] vars: VariableField[] config: VariableField[] } /** * Composable for managing available variables for a specific node * Provides autocomplete data for ExpressionInput components */ export function useAvailableVariables(currentNodeId: Readonly<Ref<string | null>>) { const workflowStore = useWorkflowStore() const executionStore = useExecutionStore() const availableVariables = ref<AvailableVariables>({ trigger: [], nodes: [], vars: [], config: [] }) const getUpstreamNodes = (nodeId: string): string[] => { const upstreamIds: string[] = [] const visited = new Set<string>() const traverse = (currentId: string) => { if (visited.has(currentId)) return visited.add(currentId) const incomingEdges = workflowStore.edges.filter((edge: any) => edge.target === currentId) for (const edge of incomingEdges) { upstreamIds.push(edge.source) traverse(edge.source) } } traverse(nodeId) return upstreamIds } const parseValueToFields = (value: any, basePath: string): VariableField[] => { if (value === null || value === undefined) { return [] } if (typeof value !== 'object') { return [{ name: '', type: typeof value, path: basePath, value }] } if (Array.isArray(value)) { const itemFields: VariableField[] = [] // For arrays, show first item as example if (value.length > 0) { const firstItem = value[0] const children = parseValueToFields(firstItem, `${basePath}[0]`) itemFields.push({ name: '[0]', type: 'array-item', path: `${basePath}[0]`, value: firstItem, children }) } return [{ name: '', type: 'array', path: basePath, value, children: itemFields }] } const fields: VariableField[] = [] for (const [key, val] of Object.entries(value)) { const fieldPath = basePath ? `${basePath}.${key}` : key if (typeof val === 'object' && val !== null) { const children = parseValueToFields(val, fieldPath) fields.push({ name: key, type: Array.isArray(val) ? 'array' : 'object', path: fieldPath, value: val, children }) } else { fields.push({ name: key, type: typeof val, path: fieldPath, value: val }) } } return fields } const addNamespaceToField = (field: VariableField, namespace: string): VariableField => { const newField = { ...field } newField.path = `${namespace}.${field.path}` if (field.children && field.children.length > 0) { newField.children = field.children.map(child => addNamespaceToField(child, namespace)) } return newField } const loadVariablesFromExecution = () => { if (!currentNodeId.value) { availableVariables.value = { trigger: [], nodes: [], vars: [], config: [] } return } const upstreamNodeIds = getUpstreamNodes(currentNodeId.value) const nodeResults = executionStore.nodeResults if (nodeResults.size === 0) { // No execution yet - show schema-based field structure with example values availableVariables.value = { trigger: [], nodes: upstreamNodeIds.map(id => { const node = workflowStore.nodes.find((n: any) => n.id === id) const nodeType = node?.type || 'unknown' const schemaFields = getNodeOutputSchema(nodeType) const fields = schemaFields.map(field => addNamespaceToField(field, `node.${id}`)) return { id, type: nodeType, label: node?.id || id, fields } }), vars: [], config: [] } return } // For now, trigger data would come from the first trigger node's input const triggerNodes = workflowStore.nodes.filter((n: any) => n.type === 'ManualTrigger' || n.type === 'WebhookTrigger' || n.type === 'ScheduleTrigger' ) const triggerNode = triggerNodes[0] const triggerResult = triggerNode ? nodeResults.get(triggerNode.id) : null const triggerData = triggerResult?.input const triggerFields = triggerData ? parseValueToFields(triggerData, 'trigger.payload') : [] const nodeVariables: VariableNode[] = upstreamNodeIds.map(nodeId => { const node = workflowStore.nodes.find((n: any) => n.id === nodeId) const nodeResult = nodeResults.get(nodeId) const nodeOutput = nodeResult?.output const nodeType = node?.type || 'unknown' let fields: VariableField[] if (nodeOutput) { fields = parseValueToFields(nodeOutput, `node.${nodeId}`) } else { const schemaFields = getNodeOutputSchema(nodeType) fields = schemaFields.map(field => addNamespaceToField(field, `node.${nodeId}`)) } return { id: nodeId, type: nodeType, label: nodeId, fields } }) // For now, we don't have var.* and config.* in the current execution model // These would need to be added to the backend context system const varFields: VariableField[] = [] const configFields: VariableField[] = [] availableVariables.value = { trigger: triggerFields, nodes: nodeVariables, vars: varFields, config: configFields } } const generateVariablePath = (field: VariableField): string => { return `{{${field.path}}}` } // Flattens nested variable structure for autocomplete dropdown const getAllVariablePaths = computed<string[]>(() => { const paths: string[] = [] const extractPaths = (fields: VariableField[]) => { for (const field of fields) { if (field.path) { paths.push(field.path) } if (field.children) { extractPaths(field.children) } } } extractPaths(availableVariables.value.trigger) for (const node of availableVariables.value.nodes) { extractPaths(node.fields) } extractPaths(availableVariables.value.vars) extractPaths(availableVariables.value.config) return paths }) const searchVariables = (query: string): VariableField[] => { const results: VariableField[] = [] const lowerQuery = query.toLowerCase() const searchFields = (fields: VariableField[]) => { for (const field of fields) { if (field.path.toLowerCase().includes(lowerQuery)) { results.push(field) } if (field.children) { searchFields(field.children) } } } searchFields(availableVariables.value.trigger) for (const node of availableVariables.value.nodes) { searchFields(node.fields) } searchFields(availableVariables.value.vars) searchFields(availableVariables.value.config) return results } watch( () => [currentNodeId.value, executionStore.nodeResultsVersion], () => { loadVariablesFromExecution() }, { deep: true, immediate: true } ) return { availableVariables, getAllVariablePaths, generateVariablePath, searchVariables, loadVariablesFromExecution } } |