decisions

package
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 Go to latest Published: Jul 6, 2026 License: MIT Imports: 8 Imported by: 0

Documentation

Overview

Package decisions provides decision log persistence and rationale tracking.

This package captures architectural decisions, their rationale, and the relationships between decisions to create a comprehensive decision history.

Package decisions provides rationale graph generation from decision logs.

Index

Constants

This section is empty.

Variables

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Functions

This section is empty.

Types

type Alternative 

type Alternative struct {
	Title       string   `json:"title" yaml:"title"`
	Description string   `json:"description,omitempty" yaml:"description,omitempty"`
	Pros        []string `json:"pros,omitempty" yaml:"pros,omitempty"`
	Cons        []string `json:"cons,omitempty" yaml:"cons,omitempty"`
	RejectedFor string   `json:"rejected_for,omitempty" yaml:"rejected_for,omitempty"`
}

Alternative represents an option that was considered but not chosen.

type Decision 

type Decision struct {
	ID             string            `json:"id" yaml:"id"`
	Title          string            `json:"title" yaml:"title"`
	Status         DecisionStatus    `json:"status" yaml:"status"`
	Date           time.Time         `json:"date" yaml:"date"`
	DecisionMakers []string          `json:"decision_makers,omitempty" yaml:"decision_makers,omitempty"`
	Context        string            `json:"context" yaml:"context"`
	Decision       string            `json:"decision" yaml:"decision"`
	Rationale      string            `json:"rationale" yaml:"rationale"`
	Consequences   []string          `json:"consequences,omitempty" yaml:"consequences,omitempty"`
	Alternatives   []Alternative     `json:"alternatives,omitempty" yaml:"alternatives,omitempty"`
	Related        []string          `json:"related,omitempty" yaml:"related,omitempty"`       // Related decision IDs
	Supersedes     string            `json:"supersedes,omitempty" yaml:"supersedes,omitempty"` // ID of decision this replaces
	SupersededBy   string            `json:"superseded_by,omitempty" yaml:"superseded_by,omitempty"`
	Tags           []string          `json:"tags,omitempty" yaml:"tags,omitempty"`
	Project        string            `json:"project,omitempty" yaml:"project,omitempty"`
	Specs          []string          `json:"specs,omitempty" yaml:"specs,omitempty"` // Affected specs
	Metadata       map[string]string `json:"metadata,omitempty" yaml:"metadata,omitempty"`
}

Decision represents a single architectural or design decision.

func (*Decision) RenderMarkdown 

func (d *Decision) RenderMarkdown() string

RenderMarkdown renders a single decision as Markdown (ADR format).

type DecisionLog 

type DecisionLog struct {
	// contains filtered or unexported fields
}

DecisionLog manages a collection of decisions.

func NewDecisionLog 

func NewDecisionLog(path string) (*DecisionLog, error)

NewDecisionLog creates a new decision log at the given path.

func (*DecisionLog) Add 

func (l *DecisionLog) Add(d *Decision) error

Add adds a new decision to the log.

func (*DecisionLog) ExportJSON 

func (l *DecisionLog) ExportJSON() ([]byte, error)

ExportJSON exports the decision log as JSON.

func (*DecisionLog) Get 

func (l *DecisionLog) Get(id string) (*Decision, error)

Get retrieves a decision by ID.

func (*DecisionLog) GetAllTags 

func (l *DecisionLog) GetAllTags() []string

GetAllTags returns all unique tags used in decisions.

func (*DecisionLog) GetStatistics 

func (l *DecisionLog) GetStatistics() *Statistics

GetStatistics returns statistics about the decision log.

func (*DecisionLog) List 

func (l *DecisionLog) List() []*Decision

List returns all decisions in order.

func (*DecisionLog) ListByProject 

func (l *DecisionLog) ListByProject(project string) []*Decision

ListByProject returns decisions filtered by project.

func (*DecisionLog) ListByStatus 

func (l *DecisionLog) ListByStatus(status DecisionStatus) []*Decision

ListByStatus returns decisions filtered by status.

func (*DecisionLog) ListByTag 

func (l *DecisionLog) ListByTag(tag string) []*Decision

ListByTag returns decisions filtered by tag.

func (*DecisionLog) RenderIndex 

func (l *DecisionLog) RenderIndex() string

RenderIndex renders the decision log as a Markdown index.

func (*DecisionLog) Save 

func (l *DecisionLog) Save() error

Save persists the decision log to disk.

func (*DecisionLog) SaveDecisionFiles 

func (l *DecisionLog) SaveDecisionFiles(dir string) error

SaveDecisionFiles saves each decision as an individual Markdown file.

func (*DecisionLog) Supersede 

func (l *DecisionLog) Supersede(oldID, newID string) error

Supersede marks a decision as superseded by another.

func (*DecisionLog) Update 

func (l *DecisionLog) Update(d *Decision) error

Update updates an existing decision.

type DecisionStatus 

type DecisionStatus string

DecisionStatus indicates the current state of a decision. 

const (
	StatusProposed   DecisionStatus = "proposed"
	StatusAccepted   DecisionStatus = "accepted"
	StatusDeprecated DecisionStatus = "deprecated"
	StatusSuperseded DecisionStatus = "superseded"
	StatusRejected   DecisionStatus = "rejected"
)

type EdgeType 

type EdgeType string

EdgeType categorizes the relationship between decisions. 

const (
	EdgeTypeRelated    EdgeType = "related"
	EdgeTypeSupersedes EdgeType = "supersedes"
	EdgeTypeDependsOn  EdgeType = "depends_on"
	EdgeTypeConflicts  EdgeType = "conflicts"
	EdgeTypeEnables    EdgeType = "enables"
)

type ImpactAnalysis 

type ImpactAnalysis struct {
	DecisionID         string   `json:"decision_id"`
	DirectlyAffected   []string `json:"directly_affected"`
	IndirectlyAffected []string `json:"indirectly_affected"`
	TotalImpact        int      `json:"total_impact"`
}

ImpactAnalysis represents the impact of changing a decision.

type RationaleEdge 

type RationaleEdge struct {
	From  string   `json:"from"`
	To    string   `json:"to"`
	Type  EdgeType `json:"type"`
	Label string   `json:"label,omitempty"`
}

RationaleEdge represents a relationship between decisions.

type RationaleGraph 

type RationaleGraph struct {
	Nodes []RationaleNode `json:"nodes"`
	Edges []RationaleEdge `json:"edges"`
}

RationaleGraph represents the relationships between decisions.

func BuildRationaleGraph 

func BuildRationaleGraph(log *DecisionLog) *RationaleGraph

BuildRationaleGraph creates a graph from a decision log.

func (*RationaleGraph) AnalyzeImpact 

func (g *RationaleGraph) AnalyzeImpact(decisionID string) *ImpactAnalysis

AnalyzeImpact determines what would be affected by changing a decision.

func (*RationaleGraph) FindCentralNodes 

func (g *RationaleGraph) FindCentralNodes(topN int) []RationaleNode

FindCentralNodes returns nodes with the most connections.

func (*RationaleGraph) FindPath 

func (g *RationaleGraph) FindPath(fromID, toID string) []string

FindPath finds a path between two decisions (BFS).

func (*RationaleGraph) GetClusters 

func (g *RationaleGraph) GetClusters() map[string][]RationaleNode

GetClusters groups nodes by project.

func (*RationaleGraph) GetConnectedComponents 

func (g *RationaleGraph) GetConnectedComponents() [][]string

GetConnectedComponents finds disconnected subgraphs.

func (*RationaleGraph) RenderDOT 

func (g *RationaleGraph) RenderDOT() string

RenderDOT exports the graph in Graphviz DOT format.

func (*RationaleGraph) RenderMermaid 

func (g *RationaleGraph) RenderMermaid() string

RenderMermaid exports the graph as a Mermaid diagram.

type RationaleNode 

type RationaleNode struct {
	ID      string         `json:"id"`
	Title   string         `json:"title"`
	Status  DecisionStatus `json:"status"`
	Project string         `json:"project,omitempty"`
	Tags    []string       `json:"tags,omitempty"`
	Weight  int            `json:"weight"` // Number of connections
}

RationaleNode represents a decision in the graph.

type Statistics 

type Statistics struct {
	Total       int            `json:"total"`
	ByStatus    map[string]int `json:"by_status"`
	ByTag       map[string]int `json:"by_tag"`
	ByProject   map[string]int `json:"by_project"`
	RecentCount int            `json:"recent_count"` // Last 30 days
}

Statistics returns decision log statistics.

Source Files

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